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An electric bulb is connected to a 220 V...

An electric bulb is connected to a `220 V` generator. The current is `0.50 A`. What is the power of the bulb ?

Text Solution

Verified by Experts

P=VI
`=220Vxx0.50A`
`=110j//s`
=110 W.
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NCERT ENGLISH-ELECTRICITY-Exercise
  1. An electric bulb is connected to a 220 V generator. The current is 0.5...

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  2. What does an electric circuit mean ?

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  3. Define the unit of current.

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  4. Calculate the number of electrons consituting one coulomb of charge.

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  5. Name a device that helps to maintain a potential difference across a c...

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  6. What is meant by saying that the potential difference between two poin...

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  7. How much energy is given to each coulomb of charge passing through a 6...

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  8. On what factors does the resistance of a conductor depend ?

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  9. Will current flow more easily through a thick wire or a thin wire of t...

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  10. Let the resistance of an electrical component remain constant while th...

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  11. Why are coils of electric toasters and electric irons made of an alloy...

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  12. Use the data in Table 12.2 to answer the following - (a) Which among ...

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  13. Draw a schematic diagram of a circuit consisting of a battery of three...

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  14. Redraw the circuit of Q.12, putting in an ammeter to measure the curre...

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  15. Judge the equivalent resistance when the following are connected in pa...

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  16. An electric lamp of 100 Omega, a toaster of resistance 50 Omega and a ...

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  17. What are the advantages of connecting electrical devices in parallel w...

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  18. How can three resistors of resistances 2 Omega,3 Omega, and 6 Omega be...

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  19. What is : (a) the highest (b) the lowest total resistances that can b...

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  20. Why does the cord of an electric heater not glow while the heating ele...

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  21. Compute the heat generated while transferring 96000 coulombs of charge...

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