An A.C. source of voltage V = 100 sin ( 100 πt ) is connected to a resistor of resistance 20 Ω . The rms value of current through resistor is

Question

An A.C. source of voltage V = 100 sin ( 100 πt ) is connected to a resistor of resistance 20 Ω . The rms value of current through resistor is, 10 A, 10 2 A, 5 2 A, None of these

MARKS App · Accepted Answer

I 0 = V 0 R = 100 20 = 5 A ∴ I rms = I 0 2 = 5 2 A

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