A. purely inductive circuit
B. R-L circuit
C. R-C circuit
D. R-L-C circuit
Related Mcqs:
- The transient currents are associated with the____________?
A. changes in the stored energy in the inductors and capacitors
B. impedance of the circuit
C. applied voltage to the circuit
D. resistance of the circuit - In a loss-free R-L-C circuit the transient current is__________?
A. oscillating
B. square wave
C. sinusoidal
D. non-oscillating - Power factor of an electrical circuit is equal to____________?
A. R/Z
B. cosine of phase angle difference be-tween current and voltage
C. kW/kVA
D. ratio of useful current to total cur¬rent Iw/I
E. all of these - The voltage of domestic supply is 220V. This figure represents__________?
A. mean value
B. r.m.s. value
C. peak value
D. average value - For a frequency of 200 Hz, the time period will be__________?
A. 0.05 s
B. 0.005 s
C. 0.0005 s
D. 0.5 s - In a highly capacitive circuit the__________?
A. apparent power is equal to the actual power
B. reactive power is more than the apparent power
C. reactive power is more than the actual power
D. actual power is more than its reactive power - In a pure inductive circuit___________?
A. the current is in phase with the voltage
B. the current lags behind the voltage by 90°
C. the current leads the voltage by 90°
D. the current can lead or lag by 90° - The frequency of domestic power supply in Pakistan is_________?
A. 200 Hz
B. 100 Hz
C. 60 Hz
D. 50 Hz - Which of the following statements pertains to resistors only _____________?
A. can dissipate considerable amount of power
B. can act as energy storage devices
C. connecting them in parallel in¬creases the total value
D. oppose sudden changes in voltage - Which of the following circuit component opposes the change in the circuit voltage ?
A. Inductance
B. Capacitance
C. Conductance
D. Resistance
