JEE Advanced · PhysicsEasy
In an AC circuit, the root mean square value of current is related to the peak current by which factor?
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: B —
Solution
- For a sinusoidal current , the RMS value is defined as the square root of the mean of the square of the current.
- Calculating this integral over one cycle gives .
- Hence the answer is (B).
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