The instantaneous current in a circuit is, I = ( t + ) ampere. What is the r.m.s. value of the current?

MHT CET Physics question

The instantaneous current in a circuit is, ampere. What is the r.m.s. value of the current?

Answer: (D)

The amplitude is 1 A, so A; 1 A is the peak value,

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Question ID VK-081661