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Question

A sinusoidal voltage V=200sin314t is applied to a 10Ω resistor. Find the peak voltage.

A
200V
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B
400V
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C
600V
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D
800V
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Solution

The correct option is A 200V
Answer: A
General sinusoidal voltage variation is given by:
V=V0sin(ωt)
Here, in this equation V0 is peak voltage.
So, on comparing both equation we get:
V0=200V,ω=314

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