A resistance of 
is connected to a source of an alternating potential 
. The time taken by the current to change from its peak value to rms value, is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
The current and potential difference are in phase with the resistance. So, the time taken would be same as time for voltage to change from 
that is peak value to rms value.
Time taken by voltage to achieve its rms value of 
.
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