An AC voltage is given by: E=E(0) sin ...

An `AC` voltage is given by:
`E=E_(0) sin (2pit)/T`
Then the mean value of voltage calculated over time interval of `T//2` seconds:

A

is always zero

B

is never zero

C

`"is"(2E_(0)//pi)"always"`

D

may be zero

Verified by Experts

The correct Answer is:

D

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