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If a direct current of value a ampere is...

If a direct current of value a ampere is superimposed on an alternating current `1 = b sin omega t` flowing through a wire, what is the effective value of the resulting current in the circuit?

Text Solution

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The correct Answer is:
`I_("eff")=[a^(2)+(1)/(2)b^(2)]^(1//2)`
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