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The equation of A.C of frequency 75 Hz, ...

The equation of `A.C` of frequency `75 Hz`, if it's `RMS` value is `20 A` is

A

`I = 20 sin (150 pi t)`

B

`I = 20 sqrt(2) sin (150 pi t)`

C

`I = (20)/(sqrt(2)) sin (150 pi t)`

D

`I = 20 sqrt(2) sin (75 pi t)`

Text Solution

Verified by Experts

The correct Answer is:
2
`i = i_(0) sin omega t = sqrt(2) i_("rms") sin (2 pi ft)`
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NARAYNA-ALTERNATING CURRENT-LEVEL - I (H.W)
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