If Im is the maximum value of a sinusoid...

If Im is the maximum value of a sinusoidal voltage, what is the instantaneous value?
a) `i=I_m/2`
b)` i=I_msinθ`
c) `i=I_mcosθ`
d)` i=I_msinθ or i=I_mcosθ`

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The correct Answer is:

B

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