Test: Networks- 2 - Electronics and Communication Engineering (ECE) MCQ

Equivalent resistance across AB is _____Ω

In the circuit given below v,n = u(—t) + u(t) V

Then vc (t) for t > 0 

A voltage V = 12√2 cos 5000t V is applied to the circuit shown below.

The current i(t) is

In the circuit shown below, the voltage source has been connected for a long time enough for steady state condition to be reached. At time t = 0, switch S is opened. Then open circuit voltage across AB is

Calculate V_x & I_x in the circuit shown below.

Determine the value of I' in the circuit shown below.

Determine RMS values of voltage across capacitor (0.25F), current throughcapacitor, if voltage across capacitor is 4 + 4 cos (9t) - 5cos (4t)

The value of V, in the circuit shown below

For the circuit shown in figure, find V(t) when V_s = 2sin(500t) V

In the circuit shown below, the switch is closed at time t=0. The steady state value of the voltage V_c is_____ V

Which of the following statements are true for the circuit shown below?

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1. It is first order with steady state value of 
2. It is second order with steady state value of  V = iV, I = 1A
3. The network function   has one pole I(s)
4. The network function has two poles I(s)

Choose the correct one

In the circuit shown below, it is found that the input ac voltage and current are in phase. The value of coupling coefficient K and the dot polarity of the coil PQ are

For the given circuit, switch closes at t = 0

The voltage applied to a particular circuit comprising two components connected in series is given by:

V = (30 + 40 sin 103t +25sin2x103t +15sin4x103t) Vand the resulting current is given by

= 0.743 sin (103t + 1.190) + 0.781sin(2x103t + 0.896) + 0.636sin(4x103t + 0.559)A

Q. Average power supplied is

The voltage applied to a particular circuit comprising two components connected in series is given by:

V = (30 + 40 sin103t +25sin2x103t +15sin4x103t) Vand the resulting current is given by

= 0.743 sin (103t + 1.190) + 0.781sin(2x103t + 0.896) + 0.636sin(4x103t + 0.559)A

Q. Which of the following element is not a part of the circuit?

Consider the circuit shown in figure

Q. 

Consider the circuit shown in figure

Q. If input current is δ(t), then i_o (t) (in Amps) will be