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
Related Mcqs:
- The double energy transient occur in the____________?
A. purely inductive circuit
B. R-L circuit
C. R-C circuit
D. R-L-C circuit - In a loss-free R-L-C circuit the transient current is__________?
A. oscillating
B. square wave
C. sinusoidal
D. non-oscillating - The period of a sine wave is _____ seconds. Its frequency is
A. 20 Hz
B. 30 Hz
C. 40 Hz
D. 50 Hz - The voltage of domestic supply is 220V. This figure represents__________?
A. mean value
B. r.m.s. value
C. peak value
D. average value - The r.m.s. value and mean value is the same in the case of___________?
A. triangular wave
B. sine wave
C. square wave
D. half wave rectified sine wave - 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 - The product of apparent power and cosine of the phase angle between circuit voltage and current is
A. true power
B. reactive power
C. volt-amperes
D. instantaneous power - At very low frequencies a series R-C circuit behaves as almost purely___________?
A. resistive
B. inductive
C. capacitive
D. none of the above - The ratio of active power to apparent power is known as factor__________?
A. demand
B. load
C. power
D. form - Pure inductive circuit takes power from the A.C. line when_________?
A. applied voltage decreases but current increases
B. applied voltage increases but current decreases
C. both applied voltage and current increase
D. both applied voltage and current decrease
