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Fill in the blanks. is the device used ...

Fill in the blanks. ____is the device used to close or open an electric circuit.

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SURA PUBLICATION-ELECTRICITY-Exercise
  1. Fill in the blanks. is the device used to close or open an electric c...

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  2. The device which converts chemical energy into electrical energy is.

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  3. Choose the symbol for battery.

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  4. Which one is the atomic power station located in the following places...

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  5. In thermal power stationis used as fuel.

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  6. was an American inventor, who invented electric bulb.

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  7. is the device used to close or open an electric circuit.

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  8. Find whether the following senternce are true or false.If false correc...

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  9. Find whether the following senternce are true or false.If false correc...

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  10. Find whether the following senternce are true or false.If false correc...

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  11. Draw the circuit diagram for series connection

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  12. Circle the odd one out .Give reaso for your choice. (Switch, Bulb, Bat...

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  13. Can you produce electricity from lemon?

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  14. Matching.

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  15. Analogy.Primary cells:Secondary cells:

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  16. Analogy. Thermal power station: Nayveli Hydel power station:

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  17. What is the source of electricity? Explain the various power stations ...

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  18. Why parallel circuits are used in homes?

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  19. Answer any one in brief.What are the safety measures to safeguard a pe...

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  20. Write short notes on conductors and insulators.

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