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An alternating electric current is represented by equation I=0.6 sin 100πt. The frequency of alternating current is

(A) 50 π

(B) 50

(C) 100 π

(D) 100

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Best answer

Correct answer is (B) 50

Explanation: 

 We know that ω = 2πf

100π = 2πf

50 = f

An alternating electric current is represented by equation I=0.6 sin 100πt. The frequency of alternating current is 50.

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