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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 rms current through the bulb.

Text Solution

Verified by Experts

Since, P = I V
`I = (P)/(V)=(100 W)/(220 V)=0.450 A`.
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VIKRAM PUBLICATION ( ANDHRA PUBLICATION)-ALTERNATING CURRENT -TEXTUAL EXAMPLES
  1. A light bulb is rated at 100W for a 220 V supply. Find The resistan...

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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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  5. A lamp is connected in series with a capacitor. Predict your observati...

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  6. A 15.0 muF capacitor is connected to a 220 V, 50 Hz source. Find the c...

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  7. A light bulb and an open coil inductor are connected to an ac source t...

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

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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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  11. Power factor can often be improved by the use of a capacitor of approp...

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

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

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

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

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  18. At an airport, a person is made to walk through the doorway of a metal...

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  19. Show that in the free oscillations of an LC circuit, the sum of energi...

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