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BITSAT2009PhysicsAlternating CurrentActual

The instantaneous current from an a.c. source is I =6 314 t . What is the rms value of the current?

Options

  1. A3 2 amp
  2. B2 2 amp
  3. C2 amp
  4. D2 amp

Correct answer

A. 3 2 amp

Step-by-step solution

I _ rms = I ₀ 2 = 6 2 =3 2 amp .

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