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AP EAMCET202423 May 2024Morning ShiftPhysicsAlternating CurrentActual

An alternating current is given by i =(3 t+4 t) A. The r m s current will be

Options

  1. A7 2 A
  2. B1 2 A
  3. C5 2 A
  4. D3 2 A

Correct answer

C. 5 2 A

Step-by-step solution

i=(3 w t+4 w k) A Peak current, I ₀= 3^2+4^2 =5 ~A RMS current, I _ rms = I _ o 2 = 5 2 ~A

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