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JEE Main Physics Class 12 Alternating Currents Part 2 Questions

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Question : 61

Total: 75

A resistance of 40Ω is connected to a source of alternating current rated 220V,50‌Hz. Find the time taken by the current to change from its maximum value to the rms value :

[24-Jun-2022-Shift-1]

2.5‌ms
1.25‌ms
2.5s
0.25s

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