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ISRO EC 2019: Networks Booster Quiz 5

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Question 1

Kvl is applicable to

Question 2

Consider the circuit shown in the figure below:

If Z_aZ_b= R², then the equivalent resistance seen by voltage source V_s is

Question 3

Consider the circuit given below

The switch k₁ is kept at position A and switch k₂ was closed for a long time. At t = 0 switch k₁, is moved to position B and k₂ is opened. The voltage V_L across 6 H inductor at t = 0⁺ is _______ V.

Question 4

Consider the circuit given below,

The frequency at which circuit shows unity power factor is ________ rad/s.

Question 5

Determine the current i(t) in the given circuit after the switch is closed for all t > 0.

Question 6

A capacitor C is charged through a resistance R from a D.C. voltage. If C = 10 mF and R = 1 KΩ, find the time taken (in sec) by the capacitor to receive 90% of its final charge.