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The instantancous voltage through a device of impedance `20Omega` is `ε= 80 sin100π t ` . The effective value of the current
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Mar 20, 2022
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The instantancous voltage through a device of impedance `20Omega` is `ε= 80 sin100π t ` . The effective value of the current is,
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(a) 3A (b) 2.828 A (c) 1.732 A (d) 4A
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