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State whether the following statements are true or false: An electric generator works on the principle of electromagnetic induction

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. The device used for producing electric current is

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  2. At the time of short circuit,the current in the circuit.

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  3. State whether the following statements are true or false: An electric ...

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  4. True or false A constant magnetic flux in a coil can induce current in...

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  5. True or false AC is more dangerous as compared to DC.

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  6. True or false AC is the best suitable for electroplating.

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  7. True or false The function of a fuse wire depends on its length.

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  8. Fill ups Electromagnetic induction is the phenomenon of converting…………...

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  9. Fill ups Fleming's left hand rule enables us to find the direction of ...

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  10. Fill ups ……………..cannot be used for electroplating.

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  11. Fill ups Live wire has …………….coloured insulation.

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  12. Fill ups Short circuiting occurs when live and………………wires come in cont...

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  13. When does an electric short circuit occur?

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  14. Which sources produce alternating current?

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  15. What is the principle of working of an A.c generator?

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  16. What is the function of earth wire? Why is it necessary to earth metal...

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  17. With the help of magnetic field lines how can you find the direction a...

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  18. On what factors does the force acting on a ccharged particle movin in ...

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  19. Draw magnetic field lines for a straight current carrying conductor. O...

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  20. How can you produce a magnetic field without a magnet? How can you cha...

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