All
Animation
Basics
- Basics
- Formulas
- Standards
- Design
- How It Works
Measurement
Control Systems
Q & A
Electronics
Electrical
Online Test
More

Skip to content

Search for:

All
Animation
Basics
- Basics
- Formulas
- Standards
- Design
- How It Works
Measurement
Control Systems
Q & A
Electronics
Electrical
Online Test
More

About
Contact
Disclaimer
Copyright
Subscribe
Submit Articles
Forum
Helping Hand
Part Time Job

Search for:

All
Animation
Basics
- Basics
- Formulas
- Standards
- Design
- How It Works
Measurement
Control Systems
Q & A
Electronics
Electrical
Online Test
More

Home / Online Test / Electric Circuits Objective Questions – Set 5

Electric Circuits Objective Questions – Set 5

S Bharadwaj ReddyLeave a comment

Electric Circuits Objective Questions

0%

The current through the 2 KΩ resistance ( rest resitances are all 1 ohm each ) in the circuit shown in diagram

6 mA.

1 mA.

2 mA.

0 mA.

Correct!

Wrong!

-

Magnetism of a magnet can be destroyed by

hammering

by inductive action of another magnet.

heating

by all above these methods

Correct!

Wrong!

-

What is called a cycle in case of AC operation ?

When ac goes through a complete (+)ve to (-)ve, is called a cycle.

When ac completes the (+)ve half and When an alternating quantity completes the (–)ve cycle is called a cycle.

When an alternating quantity completes the (–)ve cycle, is called a cycle.

When ac completes the (+)ve half, is called a cycle.

Correct!

Wrong!

-

For making a capacitor it is better to select a dielectric having

low permittivity.

high permittivity.

permittivity more than that of air.

permittivity same as that of air.

Correct!

Wrong!

-

Select the wave that has the least value of form factor.

Sine wave.

Rectangular wave.

Triangular wave.

Square wave.

Correct!

Wrong!

-

An electrolytic capacitor can be used for

Both DC and AC

AC only.

none Of the above.

DC only.

Correct!

Wrong!

-

A wire 2.5 m long is bent into a square. An current of 100 A flowing through the wire will produce a magnetizing force at the center of the square, equal to

222 AT / m.

144 AT / m.

196 AT / m.

72 AT / m.

Correct!

Wrong!

-

The four bulbs of 40 W each are connected in series with a battery across them, which of the following statement is true?

None of the above.

The voltage across each bulb is not same.

The power dissipation in each bulb is not same.

The current through each bulb is same.

Correct!

Wrong!

-

What is the relation between time period T and frequency?

T = frequency.

T = 1 / frequency.

T = 0.5 / frequency.

T = 0.85 / frequency.

Correct!

Wrong!

-

What is the frequency of domestic power in India?

220 Hz.

50 Hz.

60 Hz.

70 Hz.

Correct!

Wrong!

-

What is the real power in AC operation?

Both option VIcosφ & Apperant power × cosφ.

VIcosφ.

None of these.

Apperant power × cosφ.

Correct!

Wrong!

-

Which property is used to oppose the flow of current ?

Inductance

Resistance

Poteintial difference

Capacitance

Correct!

Wrong!

-

What is called the instantaneous value of an alternating current?

The value of peak current at any instant.

The value of alternating frequency at any instant.

The value of peak quantity at any instant.

The value of alternating quantity at any instant.

Correct!

Wrong!

-

What is called the frequency in AC operation?

No. of cycles made per second.

No. of (+) ve quadrature made per second.

No. of wave made per second.

No. of (-) ve quadrature made per second.

Correct!

Wrong!

-

There are two capacitors C₁ and C₂ in parallel , what will be their equivalent capacitance?

(C₁ + C₂) / C₁C₂.

C₁ + C₂

C₁C₂.

(C₁C₂) / C₁ + C₂.

Correct!

Wrong!

-

Sulphation in a lead acid battery occurs due to

fast charging.

incomplete charging.

trickle charging.

heavy charging.

Correct!

Wrong!

-

Capacitors for P.f correction are rated in

KVAR.

KVA.

KV.

KW.

Correct!

Wrong!

-

The mass of the atom is determined by

electrons

proton

neutron and proton.

electron and proton.

Correct!

Wrong!

-

The absolute charge of an electron is

- 1.6 × 10^-19 C.

+ 1.6 × 10^-19 C.

none of above.

1.6 × 10^-19 C.

Correct!

Wrong!

-

What is referred as the average value in AC opearation?

Average of all values of the phase sequences.

Average of all values of an alternating quantity over a complete cycle.

Average of all values of the (+)ve and (-)ve half.

Average of all values of an alternating quantity.

Correct!

Wrong!

-

What is apparent power in AC operation?

Product of voltage and current at no load.

Product of voltage and current.

Product of voltage and current at full load.

Product of rms voltage and rms current.

Correct!

Wrong!

-

What is time period T?

Time taken by an alternating quantity to reach the peak value.

Time taken by an alternating quantity to complete the (-)ve half.

Time taken by an alternating quantity to complete the (+)ve half.

Time taken by an alternating quantity to complete the a cycle.

Correct!

Wrong!

-

What is form factor?

Instantaneous value / Average value.

Average value / Peak value.

R.M.S. value / Average value.

Average value / R.M.S. value.

Correct!

Wrong!

-

What is the SI unit of electric current ?

Ampere

Ohm

None of the above

Faraday

Correct!

Wrong!

-

What is the value of charge of an electron ?

1.6022×10^-7 Coulomb

1.6022×10^-19 Coulomb

1.6022×10^-8 Coulomb

1.6022×10^-27 Coulomb

Correct!

Wrong!

-

What is the dielectric material used in precision small value capacitor and capacitor used in radio frequency circuits?

Oil impregnated paper.

Glass

Vacuum, air.

Titanium oxide.

Correct!

Wrong!

-

While comparing magnetic field and electric circuits, the point of dissimilarity exists while considering

mmf and emf.

flux and current flow.

reluctance and resistance.

permeance and conductance.

Correct!

Wrong!

-

There is a ________ between two nodes of signal flow graph

link.

tree

none of the above.

branch

Correct!

Wrong!

-

In a series resonant circuit impedance is

none of these.

minimum

maximum

zero

Correct!

Wrong!

-

Among the options which metal has the highest electrical conductivity?

Steel

Copper

Aluminium

Stranded aluminium.

Correct!

Wrong!

-

Share the quiz to show your results !

Facebook

Facebook

Just tell us who you are to view your results !

Electric Circuits - 5 I got %%score%% of %%total%% right

Share your results

Facebook

Facebook

Twitter

Google+

Previous Post:

Electric Circuits Objective Questions – Set 4

Next Post:

Electric Circuits Objective Questions – Set 6

Related Articles

Electronic Devices & Circuits Quiz – Set 6

May 6, 2017

Thyristor Chopper Circuits Objective Questions – 2

December 1, 2014

Power Systems Objective Questions & Answers – Set 10

January 3, 2015

Transistor Transistor Logic (TTL) Objective Questions

May 1, 2015

D Flip Flop Objective Questions

May 1, 2015

Electric Circuits Objective Questions – Set 16

December 4, 2014

Thyristor Mounting Questions and Answers

December 1, 2014

EMF Generated in the Armature

January 2, 2015

Operating Characteristics of Induction Motors

January 2, 2015

Applications of Polyphase Induction Motors

January 2, 2015

Single Phase Semi-Converters Objective Questions – 2

December 1, 2014

Voltage Regulation of an Alternator

January 2, 2015

Also Read :

Electromagnetic Fields Objective Questions

Electromagnetic Fields Objective Questions – Set 1

December 3, 2014

Power Electronics Objective Questions

Force-Commutated Inverters Objective Questions

December 1, 2014

Photo Electric Transducers Objective Questions

Photo Electric Transducers Objective Questions

February 3, 2017

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Comment

Name *

Email *

Website

Save my name, email, and website in this browser for the next time I comment.

Categories

Categories

Like our FB Page – Get Updates

Latest Comments

Kasonde Nsofwa
Temperature Sensor Accessories So the sheath is inserted into the thermowell? In short what...
Apeh Innocent
What is a Hydraulic Actuator ? Am glad for the information. Thank....
GBENGA J. BOLARINWA
Flow Transmitters Questions and Answers Excellent article. Thank you for the useful information....
Qadir Mohtasham
Three Element Drum Level Control System Good job...
S Bharadwaj Reddy
DP Transmitter Interface Level Measurement Principle, Limitations, Selection, Installation, Design & Calibration Go to Google Playstore/itunes then search for "Instrumentati...
Thangaraj
DP Transmitter Interface Level Measurement Principle, Limitations, Selection, Installation, Design & Calibration Dear sir How to download at mobile...
Amar DAMENE
Flow Meter K-factor and Calculations Dear Manager I need your help. We have on the same GAS LINE...

Inst Tools Android App

Inst Tools IOS App

The content is copyrighted to InstrumentationTools.com and may not be reproduced on other websites. © 2015 - 2018