The time required for a 50 Hz alternatin...

The time required for a 50 Hz alternating current to increase from 0 to `70.7%` of its peak value is

1.5 ms

10 ms

20 ms

14.14 ms

Text Solution

Verified by Experts

The correct Answer is:

`(1)/(50 xx 8)`
`(1)/(400) sec = 2.5 ms`

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