A. true power
B. reactive power
C. volt-amperes
D. instantaneous power
Related Mcqs:
- The apparent power drawn by an A.C. circuit is 10 kVA and active power is 8 kW. The reactive power in the circuit is_________?
A. 4 kVAR
B. 6 kVAR
C. 8 kVAR
D. 16 kVAR - 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° - 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° - The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that
A. both waves must have same frequency
B. both waves must have identical peak values
C. both waves must have zero value at the same time
D. none of the above - Two waves of the same frequency have opposite phase when the phase angle between them is_________?
A. 360°
B. 180°
C. 90°
D. 0° - The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is__________?
A. 12 kW
B. 22 kW
C. 32 kW
D. 64 kW - The ratio of active power to apparent power is known as factor__________?
A. demand
B. load
C. power
D. form - The r.m.s. value of pure cosine function is_________?
A. 0.5 of peak value
B. 0.707 of peak value
C. same as peak value
D. zero - Which of the following circuit component opposes the change in the circuit voltage ?
A. Inductance
B. Capacitance
C. Conductance
D. Resistance - What will be the phase angle between two alternating waves of equal frequency, when one wave attains maximum value the other is at zero value________ ?
A. 0°
B. 45°
C. 90°
D. 180°
