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The equation of an alternating current is i = 50√2 x sin 400 πt ampere then the frequency and the root mean square of the current are respectively

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The equation of an alternating current is i = 50√2 x sin 400 πt ampere then the frequency and the root mean square of the current are respectively 

(a) 200 Hz, 50 amp 

(b) 400 π Hz, 50√2 amp 

(c) 200 Hz, 50√2 amp 

(d) 50 Hz, 200 amp

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1 Answer

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Best answer

The correct option is (a) 200 Hz, 50 amp.

Explanation:

Comparing the given equation with i = io sin ω t

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