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A light bulb is rated at 100W for a 220 ...

A light bulb is rated at 100W for a 220 V supply. Find
The resistance of the bulb

Text Solution

Verified by Experts

We are given P = 100 W and V = 220 V. The resistance of the bulb is
`R = (V^(2))/(P)=((220V)^(2))/(100 W)=484 Omega`
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ALTERNATING CURRENT -TEXTUAL EXAMPLES
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  2. A light bulb is rated at 100 W for a 220 V supply. Find (a) the resi...

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  3. A light bulb is rated at 100W for a 220 V supply. Find The rms curr...

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  4. A pure inductor of 25.0 mH is connected to a source of 220 V. Find the...

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  9. A resistor of 200 Omega and a capacitor of 1.50 mu F are connected in ...

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  10. For circuits used for transporting electric power, a low power factor ...

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  14. A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applie...

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  15. A sinusoidal voltage of peak value 283 V and frequency 50 Hz is applie...

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