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(a) State the relation between potential...

(a) State the relation between potential difference, work done and charge moved.
(b) Calculate the work done in moving a charge of 4 coulombs from a point at 220 volts to another point at 230 volts.

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The correct Answer is:
(b) 40 J
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LAKHMIR SINGH & MANJIT KAUR-ELECTRICITY -Exercise
  1. Which of the following are conductors and which are insulators? Sul...

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  2. What do you understand by the term ''electric potential''? (or potenti...

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  3. (a) State the relation between potential difference, work done and cha...

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  4. (a) Name a device that helps to measure the potential difference acros...

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  5. (a) What do you understand by the term ''potential difference''? (b)...

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  6. The work done in moving a unit charge across two points in an electric...

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  7. The device used for measuring potential difference is known as:

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  8. Which of the following units could be used to measure electric charge?

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  9. The unit for measuring potential difference is:

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

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  11. Three 2V cells are connected in series and used as a battery in a circ...

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  12. The atoms of copper contain electrons and the atoms of rubber also con...

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  13. By what name is the physical quantity coulomb/second called?

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  14. What is the flow of charge called?

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  15. What actually travels through the wires when you switch on a light?

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  16. Which particles constitute the electric current in a metallic conducto...

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  17. (a) In which direction does conventional current flow around a circuit...

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  18. Which of the following equation shows the correct relationship between...

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  19. What is an electric current ? Give its SI unit.

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  20. (a) How many milliamperes are there in 1 ampere? (b) How many microa...

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