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A resistance of 20 ohm is connected to a source of an alternating potential V

A resistance of 20 ohm is connected to a source of an alternating potential V=220 sin (100 πt). The time taken by the current to change from its peak value to r.m.s value is

Options

(a) 2.5 x 10⁻³ sec
(b) 0.25 sec
(c) 25 x 10⁻³ sec
(d) 2.5 sec

Correct Answer:

2.5 x 10⁻³ sec

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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