# Network Theory MCQ Questions Answers Electronics Engineering

## Network Theory Electronics Engineering MCQ Questions Answers ECE

1) Voltage transfer function of a simple RC integrator has

a) a finite zero and a pole at infinity

b) a finite zero and a pole at the origin

c) a zero at the origin and a finite pole

d) a zero at infinity and a finite pole

Option – d)

2) In case of ideal current sources, they have
a) zero internal resistance
b) low value of voltage
c) large value of currrent
d) infinite internal resistance

Option – d)

3)Two coils have self-inductances of 0.09 H and 0.01 H and a mutual inductance of 0.015 H. The coefficient of coupling between the coils is

a) 0.06

b) 0.5

c) 1.0
d) 0.05

Option – b)

4) A network has 10 nodes and 17 branches. The number of different node pair voltages would be

a) 7

b) 9

c) 190

d) 45

Option – d)

5) In a purely capacitive circuit, the current …..the voltage by …….

(a) lags, 0o

(c) lags, 90o

(d) lags, 45o

Option – b)

6)For a two-port reciprocal network, the output open-circuit voltage divided by the input current is equal to

a) B

b) z12

c) 1/y12

d) h12

Option – b)

7) In a linear circuit, the superposition principle can be applied to calculate the

a)voltage and power

b) voltage and current

c) current and power

d) voltage, current and power

Option – b)

8) With some initial change at t = 0+, a capacitor will act as
a) open circuit
b) short circuit
c) a current source
d) a voltage source

Option – d)

9) If the numerator of a second-order transfer function F(s) is a constant, then the filter is a

a) band-pass filter

b) band-stop filter

c) high-pass filter

d) low-pass filter

Option – d)

10)  An ideal current source has

(a) infinite source resistance

(b) zero source resistance

(c) large value of source resistance

(d) finite value of source resistance