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Distinguish between a closed circuit and...

Distinguish between a closed circuit and an open circuit, with the use of suitable labelled diagrams.

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ICSE-CURRENT ELECTRICITY-Exercise-9(A)
  1. What is an electric cell ?

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  2. What transformation of energy takes place when current is drawn from a...

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  3. Name the constituents of a cell.

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  4. State the nwo kinds of cell. Give one example of each.

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  5. What is a primary cell? Give an example.

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  6. What is a secondary cell ? Name one such cell.

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  7. State three differences between primary and secondary cells.

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  8. What do you understand by the term current ? State and define its S.L ...

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  9. How much is the charge on an electron ?

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  10. n electrons flow through a cross section of a conductor in time t. If...

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  11. Name the instrument used to control current in an electric circuit.

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  12. In the electric circuit shown in Fig. 1, label the parts A, B, C, D, E...

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  13. What is the function of a key (or switch) in an electric circuit ?

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  14. Write symbols and state functions of each of the following components ...

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  15. (a) Complete the circuit given in Fig. 1 by inserting between the term...

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  16. Distinguish between conductors and insulators of electricity. Give two...

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  17. Select conductors of electricity from the following : Copper wire, sil...

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  18. State two differences between a conductor and an insulator of electric...

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  19. Distinguish between a closed circuit and an open circuit, with the use...

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  20. Write the condition required for a circuit to be a closed circuit.

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