What is the real power drawn by a circuit if the current and voltage are out of phase by 90°?
AMaximum
BMinimum
CZero
DUnity
Electrical Engineering · Question Bank
1P AC Circuits
84 of 161 questions match · page 5 of 5. Answer in your head first, then check the solution.
The conductance and susceptance components in the admittance are what type of elements?
ASeries elements
BParallel elements
CEither series or parallel, depending on values
DSeries-parallel elements
At series resonance what is the value of the voltage drop across L or C in relation to the supply voltage?
AIt is less than the supply voltage
BIt is equal to the supply voltage
CIt is more than the supply voltage
DIt is either less than or more than depending on the value of the resistance
What is the usual power factor of the industrial loads?
AUnity pf
BLagging pf
CLeading pf
DZero pf
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