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.Management Sciences
A. consumes some power on average
B. does not take power at all from a line
C. takes power from the line during some part of the cycle and then returns back to it during other part of the cycle
D. none of the above
Related Mcqs:
- All the rules and laws of D.C. circuit also apply to A.C. circuit containing_____________?
- A. capacitance only B. inductance only C. resistance only D. all above...
- 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 factor of a D.C. circuit is always__________?
- A. less than unity B. unity C. greater than unity D. zero...
- 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...
- 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...
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