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
.