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State applications of heating effect of electric current.

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    LAKHMIR SINGH & MANJIT KAUR|Exercise EXERCISE|101 Videos

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LAKHMIR SINGH & MANJIT KAUR-Electric Current And its Effects-EXERCISE
  1. Draw the circuit diagram to represent the circuit shown below.

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  2. Name five appliances (or devices) in which electric cells are used.

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  3. State applications of heating effect of electric current.

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  4. When does an electric short-circuit occur?

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  5. Explain the importance of using in a household electric circuit (i) fu...

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  6. How can overloading in the electric circuit be avoided ?

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  7. Explain why, any metal wire or metal strip cannot be used in place of ...

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  8. What type of elastic fuse is used in electrical appliances like car st...

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  9. What type of elastic fuse is used in electrical appliances like car st...

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  10. What might happen if a fuse is not inserted in household electric wiri...

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  11. What might happen if a fuse is not inserted in household electric wiri...

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  12. Do you think an electromagnet can be used for separating plastic bags ...

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  13. State the uses of electromagnetic radiations.

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  14. Why do we use iron for making an electromagnet and not steel ?

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  15. What is an electromagnet ? Explain in your own words, how to make an e...

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  16. What type of core is used to make an electromagnet?

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  17. What is meant by the heating effect of current ? Name two appliances w...

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  18. Explain why, the current that makes the heater element very hot, only ...

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  19. What is meant by a battery ? How will you arrange two cells to make a ...

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  20. Name any five electrical appliances in which the heating effect of cur...

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