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# AE & JE EE Quiz: Basic Electrical and Network Theory Booster Quiz -6

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Question 1

Voltage and current for an AC is given by

v(t) = 160sin (ω t + 10°)

i(t) = 10sin (ω t – 20°)

find the absorbed reactive power by circuit.

Question 2

How may percentage capacitor gets charged in one time constant in R-C circuit?

Question 3

Time constant of the network shown is figure is

Question 4

Two coils as shown in the figure have self inductances of 4 mH and 6 mH and a mutual inductance of 0.5 mH, then equivalent inductance of the combination is

Question 5

Two coils with self-inductance 1H and 2H having a mutual inductance of 1H between them carry currents of 2A and √2A respectively. The total energy stored in the field, in joules is

Question 6

A series RLC circuit has a resonance frequency of 1 kHz and a quality factor of 100. If each of R, L, C is doubled from its original value, the new Q of the circuit is,

Question 7

In Series LCR circuit, at resonance:

Question 8

Which of following statement is correct with respect to series R-L-C circuit at Resonance?

Question 9

A coil resistance 30 Ω and inductance 0.6 H is switched on to a 240 V supply. What are the rate of change of current at the instant of closing the switching at t =0  and the magnitude of the final steady state current respectively?

Question 10

For series RLC circuit, for critically damped system:
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