AS113 - Homework - Alternating Current Power Flashcards
1
Q
The source current is ___________in a parallel R-L-C circuit at its resonant frequency.
A
minimum
2
Q
A
3
Q
Circulating current in a parallel R-L-C circuit is ______ at the resonant frequency of the combination.
A
Answer 1:
maximuim
4
Q
Phase angle is the angle whose [1] is the power factor
A
cosine
5
Q
Current flow is _______ in series R-L-C circuit at resonant frequency.
A
Answer 1:
maximum
6
Q
A(n) _______ may be used to convert alternating current to direct current.
A
Answer 1:
rectifier
7
Q
Two ways of connecting the three windings of a three-phase AC generator are:
[ Select ] and [ Select ]
A
Answer 1:
wye
Answer 2:
delta
8
Q
Power factor is the ratio of the [1] of the circuit to the impedance.
A
resistance
9
Q
True power is measured in _____.
A
watts
