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

An inductor `2//pi` Henry, a capacitor `100//T muF` and a resistor `75Omega` are connected in series across a source of emf `V=10sin 100pit`. 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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The correct Answer is:
`125Omega, 288J`
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