JAMB - Physics (2012 - No. 35) | ExamPlay

JAMB - Physics (2012 - No. 35)

The current output from of an a.c. source is given as I = 10 sin to t. The d.c equivalent of the current is

5.0A

7.1A

10.0A

14.1A

解释

I_rms = \(\frac{10}{\sqrt{2}}\)

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