In this article, we shared the basic electricity objective questions and answers for electrical and electronics engineers.
Basic Electricity Objective Questions
The below list provides all the multiple-choice questions related to basic electricity.
Answers are available at the bottom of the article.
1. The minimum charge on an ion is
| A) | equal to the charge of an electron |
| B) | equal to the charge of the number of electrons in an atom |
| C) | equal to the atomic number of the atom |
| D) | zero |
2. The electrons revolve around the nucleus with high velocity. The force which acts against the centrifugal force and keeps the electrons in their orbits is
| A) | electrostatic force of attraction. |
| B) | adhesive force. |
| C) | none of these answers |
| D) | electromagnetic force of attraction. |
3. A 100 watt light bulb burns on an average of 10 hours a day for one week. The weekly consumption of energy will be ____unit/s.
| A) | 70 |
| B) | 0.07 |
| C) | 0.7 |
| D) | 7 |
4. If a very flexible wire is laid out in the shape of a hair pin with its two ends secured, what shape will the wire tend to assume if a current is passed through it?
| A) | Ellipse. |
| B) | Parabolic. |
| C) | Straight line. |
| D) | Circle. |
5. The minimum requirements for causing flow of current are
| A) | a voltage source, a resistor and a switch. |
| B) | a power source and a bulb. |
| C) | a voltage source, a conductor, an ammeter and a switch. |
| D) | a voltage source and a conductor. |
6. For a fixed supply voltage the current flowing through a conductor will increase when its
| A) | length is increased and x-sectional area is reduced. |
| B) | area of x-section is reduced. |
| C) | length is increased. |
| D) | length is reduced. |
7. If Two bulbs of 500W and 200 W rated at 250 V will have resistance ratio as
| A) | 5 : 2 |
| B) | 2 : 5 |
| C) | 25 : 4 |
| D) | 4 : 25 |
8. Out of the following which is not a poor conductor?
| A) | Tungsten |
| B) | Carbon |
| C) | Copper |
| D) | Cast iron |
9. If I, R and t are the current, resistance and time respectively, then according to Joule’s law heat produced will be proportional to
| A) | I2R2t2 |
| B) | I2Rt2 |
| C) | I2Rt |
| D) | I2R2t |
10. International ohm is defined in terms of the resistance of
| A) | a cube of copper |
| B) | a cube of carbon |
| C) | a column of mercury |
| D) | the unit length of wire |
11. The hot resistance of the bulb’s filament is higher than its cold resistance because the temperature coefficient of the filament is
| A) | negative |
| B) | positive |
| C) | zero |
| D) | about 2 ohms per degree |
12. The thermocouple can not act as
| A) | Voltmeter |
| B) | A.C. generator |
| C) | Refrigerator |
| D) | Thermometer |
13. The equivalent resistance in series combination is
| A) | Smaller than the smaller resistance |
| B) | Larger than the smallest resistance |
| C) | Larger than the largest resistance |
| D) | Smaller than the largest resistance |
14. In electric kettle water boils in 10 minutes. It is required to boil the boiler in 15 minutes, using the same supply mains
| A) | none of these answers |
| B) | length of heating element has no effect on heating if water |
| C) | length of heating element should be decreased |
| D) | length of heating element should be increased |
15. If the efficiency of a machine is to be high, what should be low?
| A) | True component of power |
| B) | Losses |
| C) | Input power |
| D) | Ratio of output to input |
| E) | kWh consumed |
16. When one leg of the parallel circuit is opened out the total current will
| A) | reduce |
| B) | become zero |
| C) | decrease |
| D) | increase |
17. An electron charge (e) is revolving in a circular orbit of radius r round a nucleus of charge Ze with speed y. The equivalent current is
| A) | Zero |
| B) | ev/2πr |
| C) | e.2πr/v |
| D) | Zev/2πr |
18. 1 microvolt is
| A) | 1 x 10-5 V |
| B) | 1 x 10–6 V |
| C) | 1 x 10-4 V |
| D) | 1 x 10-3 V |
19. What is the name of graph between temperature and thermo emf. ?
| A) | Parabola |
| B) | Straight line |
| C) | Hyperbola |
| D) | None of these answers |
20. Four 100 W bulbs are connected in parallel across 200 V supply line. If one bulb gets fused
| A) | all the four bulbs will light. |
| B) | none of these answers |
| C) | rest of the three bulbs will light. |
| D) | no bulb will light. |
21. The length of a conductor is halved. Its conductance will be
| A) | Quadrupled |
| B) | Unchanged |
| C) | Halved |
| D) | Doubled |
22. The four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true?
| A) | The voltage across each bulb is not same |
| B) | None of these answers |
| C) | The current through each bulb in same |
| D) | The power dissipation in each bulb is not same |
23. Through a metallic conductor an electric current is due to drift of
| A) | Positive and negative ions |
| B) | Free electrons and holes |
| C) | Protons |
| D) | Free electrons |
24. 1 angstrom is equal to
| A) | 10-8 mm |
| B) | 10-10 m |
| C) | 10-14 m |
| D) | 10-6 cm |
25. A 40 W bulb is connected in series with a room heater. If now 40 W bulb is replaced by 100 W bulb, the heater output will
| A) | decrease |
| B) | heater will burn out |
| C) | remain same |
| D) | increase |
26. What is converted into heat when current is set up through a conductor?
| A) | Electric potential |
| B) | None of these answers |
| C) | Electric current |
| D) | Electric energy |
27. “The total electric flux through any closed surface surrounding charges is equal to the amount of charges enclosed.” The above statement is based on
| A) | Gauss’s law. |
| B) | Coulomb’s law. |
| C) | Ampere’s law. |
| D) | Maxwell’s law. |
28. The insulation on a current-carrying conductor is provided
| A) | none of these factors |
| B) | both of to prevent leakage of current & to prevent shock factors |
| C) | to prevent leakage of current |
| D) | to prevent shock |
29. Ohm’s law is not applicable to
| A) | high voltage circuits |
| B) | carbon resistors |
| C) | vacuum tubes |
| D) | circuits with low current densities |
30. The rating of a fuse wire is always expressed in
| A) | kWh |
| B) | amperes |
| C) | ampere-volts |
| D) | ampere-hours |
31. Two lamps 100 W and 40 W are connected in series across 230 V (alternating). Which of the following statement is correct?
| A) | 100 W lamp will glow brighter |
| B) | 40 W lamp will fuse |
| C) | Both lamps will glow equally bright |
| D) | 40 W lamp will glow brighter |
32. The Thomson coefficient for lead is
| A) | More than zero but less than 1 |
| B) | Zero |
| C) | Less than zero |
| D) | More than 1 |
33. The electrical energy required to heat a bucket of water to a certain temperature is 4 kWh. If the heat losses are 20 percent, the energy input is
| A) | 3.2 kWh |
| B) | 6 kWh |
| C) | 2 kWh |
| D) | 5 kWh |
34. A field of force can exist only between
| A) | two ions |
| B) | two atoms |
| C) | two metal particles |
| D) | two molecules |
35. Electric current is a quantity
| A) | Vector |
| B) | Both Vector & Scalar |
| C) | Scalar |
| D) | None of these answers |
36. The fuse-wire is made of
| A) | Copper |
| B) | Nichrome |
| C) | Lead-tin alloy |
| D) | Tungsten |
37. Which method can be used for absolute measurement of resistances?
| A) | Wheatstone bridge method |
| B) | Ohm’s law method |
| C) | Raleigh method |
| D) | Lorentz method |
38. Resistance of 220 V, 100 W lamp will be
| A) | 48.4 ω |
| B) | 4840 ω |
| C) | 4.84 ω |
| D) | 484 ω |
39. Which of the following statement is true both for a series and a parallel D.C. circuit?
| A) | Elements have individual currents |
| B) | Voltages are additive |
| C) | Power are additive |
| D) | Currents are additive |
40. The unit of Peltier coefficient is
| A) | JV-1 |
| B) | JC-1 |
| C) | None of these answers |
| D) | JA-1 |
41. Two bulbs 100 W, 250 V, and 200 W, 250 V are connected in series across a 500 V line. Then
| A) | 100 W bulb will be fused |
| B) | 200 W bulb will be fused |
| C) | No bulb will be fused |
| D) | Both bulbs will be fused |
42. When an electric current passes through a bucket full of water, a lot of bubbling is observed. This suggests that the type of supply is
| A) | any of these answers |
| B) | none of these answers |
| C) | D.C. |
| D) | A.C. |
43. Three 6 ohm resistors are connected to form a triangle. What is the resistance between any two corners?
| A) | 4 ω |
| B) | 8/3 ω |
| C) | 3/2 ω |
| D) | 6 ω |
44. Two heaters, rated at 1000 W, 250 V each are connected in series across a 250 V, 50 Hz ac mains. The total power drawn from the supply would be ____ W.
| A) | 1,000 |
| B) | 2,000 |
| C) | 250 |
| D) | 500 |
45. Which of the following has a negative temperature coefficient of resistance?
| A) | Tungsten |
| B) | Nichrome |
| C) | Platinum |
| D) | Carbon |
46. It becomes more difficult to remove
| A) | first electron from the orbit |
| B) | second electron from the orbit |
| C) | third electron from the orbit |
| D) | any electron from the orbit |
47. All of the following are equivalent to watt except
| A) | amperes/volt |
| B) | joules/sec |
| C) | amperes2 . ohm |
| D) | amperes . volt |
48. Which of the following does not use heating effect of electric current?
| A) | Immersion heater. |
| B) | Electric iron. |
| C) | Vacuum cleaner |
| D) | Electric furnace & Electric oven. |
49. According to the fuse law, the current-carrying capacity varies as
| A) | 1/diameter |
| B) | (diameter)3/2 |
| C) | 1/(diameter)2 |
| D) | diameter |
50. The property of a conductor due to which it passes current is called
| A) | inductance |
| B) | reluctance |
| C) | conductance |
| D) | resistance |
51. The electrical conductivity of metals is typically df the order of (in)
| A) | 105 |
| B) | 10-4 |
| C) | 107 |
| D) | 10-6 |
52. Correct form of Ohm’s law
| A) | V = IR |
| B) | V = I |
| C) | both V = I and V = IR |
| D) | I = VR |
53. Which of the following lamps will have the least resistance at room temperature?
| A) | 60W, 220 V |
| B) | 200W, 220 V |
| C) | 100 W, 220V |
| D) | 25 W, 220V |
54. Identify the set in which all the three materials are good conductors of electricity
| A) | Cu, Si and diamond |
| B) | Cu, Hg and NaCl |
| C) | Cu, Ag, Au |
| D) | Cu, Ge and Hg |
55. Bulbs in street Lighting are all connected in
| A) | parallel |
| B) | series |
| C) | end-to-end |
| D) | series-parallel |
56. Three conductances in parallel have the values G1 = 2000 μ mho, G2 = 3000 μ mho and Gs = 4000 μ mho. The total conductance will be
| A) | 6000 μ mho |
| B) | 9000 μ mho |
| C) | 10000 μ mho |
| D) | 7000 μ mho |
57. Water is an excellent solvent because its molecules are
| A) | Non-polar |
| B) | Neutral |
| C) | Anodes |
| D) | High polar |
58. How many 200 W/220 V incandescent lamps connected in series would consume the same total power as a single 100 W/220 V incandescent lamp?
| A) | not possible. |
| B) | 4 |
| C) | 3 |
| D) | 2 |
59. Three 60W bulbs are in parallel across the 60V power line. If one bulb burns open
| A) | all three bulbs will light |
| B) | the other two bulbs will light |
| C) | rest of the two bulbs will not light |
| D) | there will be heavy current in the main line |
60. The ratio of mass of proton to that of electron is nearly
| A) | 30 |
| B) | 4 |
| C) | 1840 |
| D) | 184 |
61. Electric current passing through the circuit produces
| A) | all of these effects |
| B) | luminous effect |
| C) | magnetic effect |
| D) | thermal effect |
| E) | chemical effect |
62. The condition for the validity of Ohm’ s law is that the
| A) | current should be proportional to voltage. |
| B) | temperature should remain constant. |
| C) | resistance must be wire wound type. |
| D) | all of these answers |
63. When electric current passes through a metallic conductor, its temperature rises. This is due to
| A) | mutual collisions between metal atoms |
| B) | mutual collisions between conducting electrons |
| C) | the release of conduction electrons from parent atoms |
| D) | collisions between conduction electrons and atoms |
64. Two wires A and B of the same material and length l and 2l have radius r and 2r respectively. The ratio of their specific resistance will be
| A) | 1 : 2 |
| B) | 1 : 8 |
| C) | 1 : 1 |
| D) | 1 : 4 |
65. The draft velocity of electrons is
| A) | very small in comparison to speed of light. |
| B) | almost equal to speed of light |
| C) | equal to speed of light. |
| D) | larger than speed of light. |
66. Copper wire of certain length and resistance is drawn out to three times its length without change in volume, the new resistance of wire becomes
| A) | unchanged |
| B) | 1/9 times |
| C) | 9 times |
| D) | 3 times |
67. Ohm’s law is not applicable to
| A) | high currents |
| B) | D.C. circuits |
| C) | small resistors |
| D) | semi-conductors |
68. Ohm’s law is applicable to
| A) | arc lamps. |
| B) | electrolytes & carbon resistors. |
| C) | semiconductors & vacuum tubes. |
| D) | none of these answers |
69. The maximum current rating for a 10 kω, 0.5 W resistor is
| A) | 0.707 mA |
| B) | 7.07 mA |
| C) | 28.28 mA |
| D) | 14.14 mA |
70. Which of the following statement is correct?
| A) | A semi-conductor is a material whose conductivity is same as between that of a conductor and an insulator |
| B) | A semi-conductor is one which conducts only half of the applied voltage |
| C) | A semi-conductor is a material which has conductivity having average value of conductivity of metal and insulator |
| D) | A semi-conductor is a material made of alternate layers of conducting material and insulator |
71. Which of the following could be th value of resistivity of copper?
| A) | 1.72 x 10-4 ω-m |
| B) | 1.72 x 10-5 ω-m |
| C) | 1.72 x 10-6 ω-m |
| D) | 1.72 x 10-7 ω-m |
72. An isolated conducting sphere is given a positive charge. It’s mass
| A) | Remain the same |
| B) | Mass is not involved |
| C) | Increases |
| D) | Decreases |
73. Whether circuit may be AC. or D.C. one, following is most effective in reducing the magnitude of the current.
| A) | Resistor |
| B) | Capacitor |
| C) | Inductor |
| D) | Reactor |
74. Current velocity through a copper conductor is
| A) | independent of current strength. |
| B) | nearly 3 X 109 m/s. |
| C) | of the order of a few micro m/s. |
| D) | the same as propagation velocity of electric energy. |
75. In gases the flow of current is due to
| A) | positive ions only |
| B) | electrons and positive ions |
| C) | electrons, positive ions and negative ions |
| D) | electrons only |
76. The thermo-electric power at the neutral temperature is
| A) | None of these answers |
| B) | Positive |
| C) | Negative |
| D) | Zero |
77. Electric pressure is also called
| A) | energy |
| B) | power |
| C) | resistance |
| D) | voltage |
78. A 200 W, 230 V lamp is connected across 115 V supply. The lamp will draw power
| A) | slightly more than 50W. |
| B) | slightly less than 50W. |
| C) | exactly 50W. |
| D) | exactly 100 W. |
79. Three identical resistors are first connected in parallel and then in series. The resultant resistance of the first combination to the second will be
| A) | 1/9 times |
| B) | 3 times |
| C) | 9 times |
| D) | 1/3 times |
80. When a voltage of one volt is applied, a circuit allows one micro ampere current to flow through it. The conductance of the circuit is
| A) | 1 μ-mho |
| B) | 1 milli-mho |
| C) | none of these answers |
| D) | 106 mho |
81. The electric current in a liquid is due to the flow of
| A) | Electrons and positive ions both |
| B) | Negative and positive ions both |
| C) | Electrons only |
| D) | Positive ions only |
82. The draft velocity of electrons is
| A) | very small as compared to speed of light |
| B) | greater than speed of light |
| C) | almost equal to speed of light |
| D) | equal to speed of light |
83. The flow of current in solids is due to
| A) | electrons and ions |
| B) | electrons |
| C) | nucleus |
| D) | atoms |
84. What is thermoelectric power? It is the rate of change of thermo emf with
| A) | Time |
| B) | Temperature |
| C) | Distance |
| D) | None of these answers |
85. The quantity of electricity analogous to friction in linear mechanical motion is
| A) | Inductance |
| B) | Resistance |
| C) | Potential |
| D) | Charge |
86. Which of the following statements is incorrect?
| A) | Resistance is a passive element. |
| B) | Voltage source is an active element. |
| C) | Current source is a passive element. |
| D) | Inductor is a passive element. |
87. A substance whose molecules consist of dissimilar atoms is called
| A) | semi-conductor |
| B) | insulator |
| C) | super-conductor |
| D) | compound |
88. A glass rod when rubbed with silk cloth is charged because
| A) | it gives away positive charge |
| B) | it takes in proton |
| C) | its atoms are removed |
| D) | it gives away electrons |
89. A 500 W, 220 V bulb is supplied with 110V. Power consumption by the bulb will be
| A) | slightly less than 125 W |
| B) | 250 W |
| C) | exactly 125 W |
| D) | slightly greater than 125 W |
90. When subjected to a transverse electric field, cathode rays move
| A) | Down the potential gradient |
| B) | Up the potential gradient |
| C) | Along a circular path |
| D) | Along a hyperbolic path |
91. Which of the following can have a negative temperature coefficient?
| A) | Electrolytes |
| B) | Liquid metals |
| C) | Metallic alloys |
| D) | Compounds of silver |
92. Which is the best conductor of electricity?
| A) | Silver |
| B) | Iron |
| C) | Copper |
| D) | Carbon |
93. For testing appliances, the wattage of the test lamp should be
| A) | very low |
| B) | any value |
| C) | high |
| D) | low |
94. When there is an electric current through a conducting wire along its length, then an electric field must exist.
| A) | Inside the wire but parallel to it |
| B) | Inside the wire but normal to it |
| C) | Outside the wire but parallel to it |
| D) | Outside the wire but normal to it |
95. Resistance of a tungsten lamp ____ as applied voltage increases
| A) | remains same |
| B) | increases |
| C) | none of these answers |
| D) | decreases |
96. Sparking occurs when a load is switched off because the circuit has high
| A) | capacitance |
| B) | resistance |
| C) | impedance |
| D) | inductance |
97. Two incandescent light bulbs of 40 W and 60 W rating are connected in series across the mains. Then
| A) | the bulbs together consume 100 W. |
| B) | the 40 W bulb glows brighter. |
| C) | the bulbs together consume 50 W. |
| D) | the 60 W bulb glows brighter. |
98. The thermal speed of electrons is of the order of
| A) | 10-3 m/s |
| B) | 3 x 108 m/s |
| C) | 106 m/s |
| D) | 1 m/s |
99. One newton metre is same as
| A) | five joules |
| B) | one joule second |
| C) | one joule |
| D) | one watt |
100. A region surrounding a stationary electric dipole has
| A) | Electric field only |
| B) | No electric and magnetic fields |
| C) | Magnetic field only |
| D) | Both electric and magnetic fields |
101. In the case of direct current
| A) | magnitude of current changes with time |
| B) | magnitude and direction of current remains constant |
| C) | magnitude of current remains constant |
| D) | magnitude and direction of current changes with time |
102. The substances which have a large number of free electrons and offer a low resistance are called
| A) | semi-conductors |
| B) | inductors |
| C) | conductors |
| D) | insulators |
103. The thickness of insulation provided on the conductor depends on
| A) | both the magnitude of voltage on the conductor and the magnitude of current flowing through it |
| B) | the magnitude of voltage on the conductor |
| C) | the magnitude of current flowing through it |
| D) | none of these answers |
104. Switching of a lamp in house produces noise in the radio. This is because switching operation produces
| A) | both mechanical noise and arc between contacts |
| B) | arcs across separating contacts |
| C) | none of these answers |
| D) | mechanical noise of high intensity |
105. The resistance of human body is around
| A) | 25 ohms |
| B) | 5 ohms |
| C) | 250 ohms |
| D) | 1000 ohms |
106. In a lamp load when more than one lamp are switched on the total resistance of the load
| A) | decreases |
| B) | remains same |
| C) | increases |
| D) | none of these answers |
107. When current flows through heater coil it glows but supply wiring does not glow because
| A) | resistance of heater coil is more than the supply wires |
| B) | supply wires are made of superior material |
| C) | current through supply line flows at slower speed |
| D) | supply wiring is covered with insulation layer |
108. As the temperature of hot junction increases, the thermo emf :
| A) | May increase or decrease |
| B) | Always increases |
| C) | Neither increase nor decrease |
| D) | Always decreases |
109. Pure metals generally have
| A) | high conductivity and large temperature coefficient. |
| B) | low conductivity and zero temperature coefficient. |
| C) | low conductivity and high temperature coefficient. |
| D) | high conductivity and low temperature coefficient. |
110. A steady current flows in a metallic conductor of non-uniform cross-section. Out of the following physical quantities, the one which remains constant is
| A) | Electric field |
| B) | Current |
| C) | Drift speed |
| D) | Current-density |
111. The conductivity of a super-conductor is
| A) | Very large |
| B) | Very small |
| C) | Zero |
| D) | Infinite |
112. The number of electrons in the outermost orbit of carbon atom is
| A) | 3 |
| B) | 4 |
| C) | 6 |
| D) | 7 |
113. An electrical lamp consumes 100 W of power. If the supply voltage is 220V the energy consumed in 30 minutes is
| A) | 5kWh |
| B) | 0.05 kWh |
| C) | 0.005 kWh |
| D) | 0.5kWh |
114. Which of the following is not reversible?
| A) | Thomson’s effect |
| B) | Peltier effect |
| C) | Joule’s effect |
| D) | Seebeck effect |
115. Which of the following characteristics of electrons determines the current in a conductor?
| A) | Drift velocity alone |
| B) | Both Drift velocity alone & Thermal velocity alone |
| C) | None of these answers |
| D) | Thermal velocity alone |
116. While using electricity and paying the electric bills one pay for
| A) | Electric energy |
| B) | Electric power |
| C) | Electric current |
| D) | Electric charge |
117. The flow of electric current in a conductor is due to flow of
| A) | electrons. |
| B) | electrons and ions. |
| C) | charged particles. |
| D) | protons. |
118. What is the nature of graph between temperature and thermoelectric power ?
| A) | None of these answers |
| B) | Hyperbola |
| C) | Parabola |
| D) | Straight line |
119. Which of the following relation is incorrect?
| A) | P = V/R2 |
| B) | P = VI |
| C) | P = IR |
| D) | P = V2/R |
120. If a parallel circuit is opened in the main line, the current
| A) | increases in the branch of the lowest resistance |
| B) | is zero in all branches |
| C) | is zero in the highest resistive branch |
| D) | increases in each branch |
121. Seebeck effect is inverse of
| A) | None of these answers |
| B) | Thomson’s effect |
| C) | Joule’s effect |
| D) | Peltier effect |
122. All good conductors have high
| A) | reluctance |
| B) | thermal conductivity |
| C) | conductance |
| D) | resistance |
123. When an electric current flows through a conductor, its temperature rises. This is because of
| A) | release of conduction electrons from parent atoms. |
| B) | mutual collisions between conducting electrons. |
| C) | mutual collisions between metal atoms. |
| D) | collisions between conduction electrons and atoms. |
124. Which of the following is not equivalent to watts?
| A) | amperes2 x ohm |
| B) | amperes x volt |
| C) | amperes/volt |
| D) | joules per second |
125. An electric current is the
| A) | pressure difference between two poles. |
| B) | random movement of electrons in a conductor |
| C) | the power that causes drift of electrons. |
| D) | movement of free electrons predominately in one direction. |
126. Resistance of carbon filament lamp ____ as the applied voltage increases
| A) | none of these answers |
| B) | decreases |
| C) | remains same |
| D) | increases |
127. When the resistance element of a heater fuses and then we reconnect it after removing a portion of it, the power of the heater will
| A) | none of these answers |
| B) | remain constant |
| C) | decrease |
| D) | increase |
128. A nichrome wire used as a heater coil has a resistance of 2 ω/m. For a heater of 1 kW at 200 V, the length of wire required will be
| A) | 60 m |
| B) | 20 m |
| C) | 40 m |
| D) | 80 m |
129. The dimensions of the emf of a source of current are that of
| A) | Potential |
| B) | Force |
| C) | Electric field |
| D) | Current |
130. Current velocity through a copper conductor is
| A) | nearly 3 x 109 m/s |
| B) | the same as propagation velocity of electric energy |
| C) | of the order of a few μs/m |
| D) | independent of current strength |
131. The electric field at a point on the equatorial line of a dipole, and the direction of the dipole moment
| A) | Are not related |
| B) | Will be perpendicular |
| C) | Will be parallel |
| D) | Will be in opposite direction |
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