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Byju's Answer
Standard XII
Physics
Angular Velocity
The ratio of ...
Question
The ratio of apparent power to average power in an
A
C
circuit is equal to :
A
cos
θ
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B
1
cos
θ
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C
form factor
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D
1
cos
2
θ
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Solution
The correct option is
B
1
cos
θ
Apparent power
=
V
r
m
s
I
r
m
s
Average power
=
V
r
m
s
I
r
m
s
cos
θ
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