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TS EAMCET 4-Aug-2021 Shift 2 Question Paper

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Question : 113

Total: 160

A resistance of 20 Ω is connected to an alternating current source of 110 V. If the frequency of the AC source is 50 Hz, then the time taken by the current to change from its maximum value to the rms value is

4 ms
2.5 s
2 s
2.5 ms

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