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CIRCUIT THEORY

Total questions: 15

Worksheet time: 30mins

Name
Class
Date
1.

Which of the following statement is incorrect?

a)

The greater the value of quality factor the narrower will be the bandwidth.

b)

The resonant frequency of a series resonant circuit is equal to the geometric mean of half-power frequencies (f1, f2).

c)

The bandwidth of a series resonant circuit is the range of the frequencies for which the circuit current is equal to or greater than 63.7% of the circuit current of resonance.

d)

The bandwidth of a series resonant circuit is the range of the frequencies for which the circuit current is equal to or greater than 70.7% of the circuit current of resonance.

2.

Three resistors of 6Ω are connected in parallel. So, what will be the equivalent resistance?

a)

b)

c)

18Ω

d)

3.

Ohm's law is applicable to

a)

Semi - conductors

b)

Vacuum tubes

c)

Electrolytes

d)

None of these

4.

Which of the following is the correct relation?

a)

Y11 = h11 / h12

b)

Y11 = h11

c)

Y11 = 1 / h11

d)

Y11 = h12

5.

In two - port network, what are the other names of Z parameters?

a)

Short circuit admittance parameter

b)

Open circuit Impedance parameter

c)

Open circuit admittance parameter

d)

Short circuit impedance parameter

6.

Which is used to measure the electric current?

a)

Cell

b)

Ammeter

c)

Battery

d)

Galvanometer

7.

The symbol of Q refers to the

a)

Power quotient

b)

Resonance quotient

c)

Quality factor

d)

Qualification test

8.

In thevenin's theorem, the voltage is equal to

a)

Open circuit voltage

b)

Open circuit current

c)

Short circuit current

d)

Short circuit voltage

9.

Mesh analysis is suitable for

a)

Voltage sources

b)

Current sources

c)

Unilateral elements

d)

Complex elements

10.

The basic laws for electric circuit is

a)

Newtons laws

b)

Einstein's theory

c)

Kirchoff's laws

d)

Faradays laws

11.

An ideal current source should have

a)

Infinite source resistance

b)

Large value of e.m.f

c)

Small value of e.m.f

d)

Zero source resistance

12.

The circuit whose properties are same in either direction is known as

a)

Unilateral circuit

b)

Bilateral circuit

c)

Irreversible circuit

d)

Reversible circuit

13.

In series combination of resistance, the current through each resistance is

a)

Higher in larger resistance

b)

Lower in larger resistance

c)

Same in each resistance

d)

Higher in smaller resistance

14.

There are _____ types of dependent sources.

a)

2

b)

3

c)

5

d)

4

15.

Which of the following is the souce transformation?

a)

Unique

b)

Bilateral

c)

Complicated

d)

Unilateral