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An AC voltage is given by E=E(0) sin(2pi...

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

Text Solution

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If net area of E -1 curves is zero for given interval then average value will be zero.
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