A resistance of 20 Ω is comnected to a source of an alternating potential V=200 \sin (10 \pi t). If t is the time taken by the current to change from the peak value to rms value, then ' t ' is (in seconds). [AP EAPCET 20 May 2024 Shift 1]

Correct Answer is : 2.5×10−2

Alternating Current

Section: Physics

Question : 13 of 15

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A resistance of 20Ω is comnected to a source of an alternating potential V=200sin‌(10πt). If t is the time taken by the current to change from the peak value to rms value, then ' t ' is (in seconds).

[AP EAPCET 20 May 2024 Shift 1]

‌25×10−1
‌2.5×10−4
‌25×10−2
‌2.5×10−2

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