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Byju's Answer
Standard XII
Physics
Sinusoidal AC
An ac source ...
Question
An ac source is rated at 220V, 50 Hz. The time taken for voltage to change from its peak value to zero is
A
50 sec
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B
0.02 sec
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C
5 sec
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D
5
×
10
−
3
s
e
c
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Solution
The correct option is
D
5
×
10
−
3
s
e
c
Required time
t
=
T
4
=
1
4
×
50
=
5
×
10
−
3
s
e
c
Suggest Corrections
4
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