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Question

Rms value of current i=3+4sin(ωt+π3) is:

A
5A
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B
17A
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C
52A
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D
72A
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Solution

The correct option is B 17A
the RMS value of DC of current 3A be 3A
RMS value of 4sin{ωt+π3}is42
is add net RMS value I=9+162=17A

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