The power consumed in a circuit element will be least when the phase difference between the current and voltage is________?
A. 180″
B. 90°
C. 60°
D. 0°
A. 180″
B. 90°
C. 60°
D. 0°
A. capacitance is less and frequency of supply is less
B. capacitance is less and frequency of supply is more
C. capacitance is more and frequency of supply is less
D. capacitance is more and frequency of supply is more
A. Square wave
B. Sine wave
C. Half wave rectified sine wave
D. Triangular wave
A. 0.05 s
B. 0.005 s
C. 0.0005 s
D. 0.5 s
A. 20 Hz
B. 30 Hz
C. 40 Hz
D. 50 Hz
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
A. increases with increase of inductance and decrease of resistance
B. increases with the increase of inductance and the increase of resistance
C. increases with the decrease of inductance and decrease of resistance
D. increases with decrease of inductance and increase of resistance