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 _________
- 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?
- 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 ____________
- 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 ___________
- 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 __________
- 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 ___________
- 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 ____________
- 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