Electric Circuits Objective Questions
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The resistivity of the conductor depends on
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Which of the following can not be connected in series unless they are identical?
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Kirchhoffs second law is based on law of conservation of
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If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit increase if frequency of voltage source increases?
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Magnetic flux has the unit of
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In balanced bridge, if the positions of detector and source are interchanged, the bridge will still remain balanced. This can be explained from which theoem
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Which of the following characteristics is attributed to an ideal independent voltage source?
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A series circuit consists of R = 20 Î©, L = 20 mH, and AC supply 60 V with f = 100 Hz. The phase angle of current in respect of supply voltage will be
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The energy required to charge a 10 ÂµF capacitor to 100 V is
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Which of the following is not a bilateral?
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1 F is theoretically equal to
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The linear circuit element is
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A series circuit consists of R = 20 Î©, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across L is
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In the circuit given below the value of resistance R_{eq} is
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A particular current is made up of two component : a 10 A and a sine wave of peak value 14.14 A. The average value of current is
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Whenever current is supplied by a source its terminal voltage
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The internal resistance of a practical voltage source is considered to be connected in
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If a resistor and a capacitor are connected to form series R  C circuit across a voltage source. If frequency of voltage source increases
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A series circuit consists of R = 20 Î©, L = 20 mH, and AC supply 60 V with f = 100 Hz. The voltage drop across R is
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Power dissipation in ideal inductor is
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A branch of a network is said to be active when it consists of one
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The voltage across R and L in a series RL circuit are found to be 200 V and 150 V respectively. The rms value of the voltage across the series combination is __________________ V.
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The switch S is the circuit shown in figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is
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An RLC series circuit resonates at a frequency Ï‰r. The ratio of ( Ï‰r L) / R is 10. The variable frequency voltage applied to the circuit is 20 sin(Ï‰t + Ï€/ 3). The voltage measured across the capacitance
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If a resistor and an inductor are connected in series across a voltage source. Which two parameters in that circuit decrease if frequency of voltage source increases?
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Wrong!

A series circuit consists of R = 20 Î©, L = 20 mH, and AC supply 60 V with f = 100 Hz. The current in R is
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If all the elements in a particular network are linear, then the superposition theorem would hold, when the excitation is
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A branch of a network is said to be passive when it contains
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A current of 4 A flows in an AC circuit when 100 V DC is applied to it whereas it takes 250 V AC to produce the same current the power factor of the circuit is
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Dependent source of current and voltage are those which have
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