Q.1
A network contains linear resistors and ideal voltage source s. If values of all the resistors are doubled, then voltage across each resistor is __________
  • a) Halved
  • b) Doubled
  • c) Increases by 2 times
  • d) Remains same
Q.2
A voltage waveform V(t) = 12t2 is applied across a 1 H inductor for t ≥with initial electric current through it being zero. The electric current through the inductor for t ≥ 0 is given by __________
  • a) 12 t
  • b) 24 t
  • c) 12 t3
  • d) 4 t3
Q.3
The linear circuit element among the following is ___________
  • a) Capacitor
  • b) Inductor
  • c) Resistor
  • d) Capacitor & Inductor
Q.4
In the circuit shown, VC is zero at t=0 s. For t>the capacitor current IC(t), where t is in second, is ___________
  • a) 0.50 e-25t mA
  • b) 0.25 e-25t mA
  • c) 0.50 e-12.5t mA
  • d) 0.25 e-6.25t mA
Q.5
In the circuit given below, the phasor voltage VAB (in volt) is _________
Questionnetwork-theory-questions-answers5.jpg
  • a) Zero
  • b) 5∠30°
  • c) 12.5∠30°
  • d) 17∠30°
Q.6
What is the power loss in theΩ resistor in the network shown in the figure below?
Questionnetwork-theory-questions-answers6.jpg
  • a) 15.13 W
  • b) 11.23 W
  • c) 16 W
  • d) 14 W
Q.7
The switch S is the circuit shown in the figure is ideal. If the switch is repeatedly closed for 1 ms and opened for 1 ms, the average value of i(t) is ____________
Questionnetwork-theory-questions-answers7.jpg
  • a) 0.25 mA
  • b) 0.35 mA
  • c) 0.5 mA
  • d) 1 mA
Q.8
In the circuit given below the value of resistance, Req is ___________
Questionnetwork-theory-questions-answers8.jpg
  • a) 10 Ω
  • b) 11.86 Ω
  • c) 11.18 Ω
  • d) 25 Ω
Q.9
A particular electric current is made up of two component: aA and a sine wave of peak value 14.A. The average value of electric current is __________
Questionnetwork-theory-questions-answers9.jpg
  • a) 0
  • b) 24.14 A
  • c) 10 A
  • d) 14.14 A
Q.10
Given that, R1 =Ω and R2 =Ω, each having tolerance of ±are connected in series. The value of resultant resistance is ___________
Questionnetwork-theory-questions-answers10.jpg
  • a) 111 ± 0 Ω
  • b) 111 ± 2.77 Ω
  • c) 111 ± 5.55 Ω
  • d) 111 ± 7.23 Ω
Q.11
In the circuit of figure below a charge ofC is delivered toV source in a 1 minute. The value of V1 is ___________
  • a) 30 V
  • b) 60 V
  • c) 120 V
  • d) 240 V
Q.12
The energy required to charge aμF capacitor toV is ____________
  • a) 0.01 J
  • b) 0.05 J
  • c) 5 X 10-9 J
  • d) 10 X 10-9 J
Q.13
Among the following, the active element of electrical circuit is ____________
Questionnetwork-theory-questions-answers13.jpg
  • a) Voltage source
  • b) Current source
  • c) Resistance
  • d) Voltage and current source both
Q.14
In the circuit given below, the source current is _________
  • a) 2 A
  • b) 3 A
  • c) 0.54 A
  • d) 1.5 A
0 h : 0 m : 1 s