JAMB Physics 2011 Objective — Question 43
Question 43 of 49 from the Joint Admissions and Matriculation Board (JAMB) Physics 2011 Objective paper, with the correct answer and a full explanation.
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In an a.c circuit, the ratio of r.m.s value to peak value of current is
- A. A. 1/√2Correct
- B. B. √2
- C. C. 2
- D. D. 1/2
Explanation
I(rms)/I0 = 1/√2 for a sinusoidal a.c. current.
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