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An electric bulb is designed to consume ...

An electric bulb is designed to consume `55 W` when operated at 110 volts. It is connected to a `220 V, 50 Hz` line through a choke coil in series. What should be the inductance of the coil for which the bulb gets correct voltage?

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The correct Answer is:
`(2.2sqrt3)/pi=1.3 H H=(7sqrt3)/10 H`
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RESONANCE-ALTERNATING CURRENT-Exercise -1 Part-1
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