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An inductor 2//pi Henry, a capacitor 100...

An inductor `2//pi` Henry, a capacitor `100//pimuF` and a resistor `75 Omega` are connected in series across a source of `emf V=10 sin 100 pit`.Here `t` is in second.(a)find the impedance of the circuit.(b)find the energy dissipated in the circuit in `20` minutes.

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`125Omega, 288J`
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