**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

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

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

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

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

(a) lags, 0o

(b) leads, 90o

(c) lags, 90o

(d) lags, 45o

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

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

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

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

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

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