# Test: First Order RL & RC Circuits

## 10 Questions MCQ Test Topicwise Question Bank for Electronics Engineering | Test: First Order RL & RC Circuits

Description
Attempt Test: First Order RL & RC Circuits | 10 questions in 30 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study Topicwise Question Bank for Electronics Engineering for Electrical Engineering (EE) Exam | Download free PDF with solutions
QUESTION: 1

### The poles of the impedance Z(s) for the network shown in figure below will be real and coincident if

Solution:

The impedance Z(s) of the given network is

The pofes are at

Thus, the poles will be coincidence if

QUESTION: 2

Solution:
QUESTION: 3

### A system is described by the transfer function  The value of its step response at a very large time will be close to

Solution:

QUESTION: 4

At a certain current, the energy stored in iron cored coil is 1000 J and its copper loss is 2000 W. The time constant (in second) of the coil is

Solution:

QUESTION: 5

A ramp voltage vi(t) = 100t V is applied to a differentiator circuit with R = 5 kΩ and C=4μF.The maximum output voltage is

Solution:

Maximum output voltage of RC differentiator  circuit  =

QUESTION: 6

The Laplace transform of the waveform below is

Solution:

The given waveform can be expressed as

v(t) = u ( t - 2) - u ( t - 3) + u ( t - 6) - u ( t - 7)

Taking Laplace transform,

QUESTION: 7

The initial and final values of  are given by

Solution:

QUESTION: 8

The Laplace transform of the ramp function shown below is

Solution:

The equation of the given ramp function is

QUESTION: 9

The poles and zeros of the transfer function   for the circuit shown below are located at

Solution:

The given circuit can be redrawn as shown below.

Hence, poles are at:

QUESTION: 10

A capacitor of 0.5 F is initially charged to 1 volt and is subjected to discharge at t = 0 across a LR series circuit where 1 = 1 H; R = 2 Ω. The current i(t) for t> 0 is

Solution:

In Laplace domain, the given circuit can be drawn as shown below.

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