Electric Circuits Objective Questions
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Consider the following circuit. In this circuit, when V_{s} = 3 V, I = 4 A, what is the value of I when V_{s} = 12 V?
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The phase angle difference between current and voltage is 90°, the power will be
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If emf in a given circuit is given by e = 100sin628t, then maximum value of voltage and frequency will be
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What is represented by the hypotenuse of impedance triangle?
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Link in network theory refers to
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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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Advantage of active filter is
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Say A point has an absolute potential of 40 V and point B has an absolute potential of  10 V, then what will be the value of V_{BA} ?
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An electrical circuit with 10 branches and 7 nodes will have
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Kirchhoffs second law is based on law of conservation of
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The value of supply voltage for 400 W, 4 Ω load is
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In the circuit shown in figure if I_{1} = 1.5 A, then I_{2} will be
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In what connection we get neutral?
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A 35 V source is connected to a series circuit of 600 Ω and R as shown. If a voltmeter of internal resistance 1.2 kΩ is connected across 600 Ω resistor, it reads 5 V. The value of R is
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A circuit with resistor, inductor, capacitor in series is resonant of 50 Hz. If all the values are now doubled, the new resonant frequency is
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Disadvantages of constant k type filter
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In Cauer 1st form last element in the network is
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Kirchhoffs laws are valid for
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A coil of negligible resistance has an induction of 100 mH. The current passing through the coil changes from 2 A to 4 A at a uniform rate in 0.1 sec the voltage across the coil during this time would be _____________ V.
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Which of the following can not be connected in series unless they are identical?
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If one cycle of AC waveform occurs every millisecond, the frequency will be
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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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Whenever current is supplied by a source its terminal voltage
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For the circuit shown in the given figure the current I is given by
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In active filter which element is absent?
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Can a 250 V, 5 A single way switch be used in place of a 250 V, 15 A Switch?
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In the circuit shown in the figure, the value of V_{s} is 0, when I = 4 A. The value of I, when V_{s} = 16 V, is
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In given figure, the value of resistance R in Ω is
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In the network shown, what is the current I in the direction shown?
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The rms value of the voltage U(t)= 3 + 4cos(3t)
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