Q.1
The length of phasor is ___________
  • a) R.M.S
  • b) Average
  • c) Peak to Peak
  • d) Minimum
Q.2
Instantaneous power in the 3-φ system is constant.
  • a) True
  • b) False
Q.3
What is the condition for maximum power transfer theorem in DC circuits?
  • a) RL=2Rth
  • b) RL≠Rth
  • c) RL≫Rth
  • d) RL=Rth
Q.4
Transient analysis is only applicable to bounded systems.
  • a) True
  • b) False
Q.5
Calculate the velocity of the ball if the angular speed is 7 rad/s and radius is .2 m.
  • a) 2.5 m/s
  • b) 1.4 m/s
  • c) 4.5 m/s
  • d) 1.0 m/s
Q.6
Calculate the value of the time period if the frequency of the signal is .Hz.
  • a) 1000 sec
  • b) 2000 sec
  • c) 5000 sec
  • d) 1500 sec
Q.7
Calculate the value of the frequency of theV DC supply.
  • a) 100 Hz
  • b) 0 Hz
  • c) 200 Hz
  • d) 500 Hz
Q.8
Calculate the value of power factor if the values of R and Z are 2 Ω andΩ.
  • a) 0.8
  • b) 0.5
  • c) 0.2
  • d) 0.4
Q.9
Calculate the value of capacitor voltage during resonance condition if the value of supply voltage isV and the quality factor is 3.
  • a) 60 V
  • b) 50 V
  • c) 10 V
  • d) 30 V
Q.10
WhenA current flows into the positive terminal of current source 8 V. Calculate the power delivered by the source.
  • a) -240 W
  • b) 360 W
  • c) -430 W
  • d) 500 W
Q.11
The slope of the V-I curve is 17.587o. Calculate the value of resistance. Assume the relationship between voltage and current is a straight line.
  • a) .322 Ω
  • b) .360 Ω
  • c) .316 Ω
  • d) .778 Ω
Q.12
Calculate the equivalent inductance when two inductors are connected in parallel of valuesH andH.
  • a) 6 H
  • b) 10 H
  • c) 12 H
  • d) 8 H
Q.13
Calculate the active power in an 0 Ω resistor with 0 current flowing through it.
  • a) inf MW
  • b) 0 MW
  • c) 2 MW
  • d) 18 MW
Q.14
When 1 A current flows out of the positive terminal of voltage source 6 V. Calculate the power delivered by the source.
  • a) 6 W
  • b) 7 W
  • c) -9 W
  • d) -5 W
Q.15
Calculate the value of inductor voltage during resonance condition if the value of supply voltage is 7 V and the quality factor is 9.
  • a) 59 V
  • b) 63 V
  • c) 73 V
  • d) 33 V
0 h : 0 m : 1 s