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Fill ups Short circuiting occurs when li...

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Short circuiting occurs when live and………………wires come in contact with each other.

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MODERN PUBLICATION-MAGNETIC EFFECTS OF ELECTRIC CURRENT-EXERCISE
  1. Fill ups Fleming's left hand rule enables us to find the direction of ...

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

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

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

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  5. When does an electric short circuit occur?

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  6. Which sources produce alternating current?

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

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

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

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

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

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

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  13. You are given the following materials two coils on a non conducting cy...

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  14. Arrange an activity to show that current is produced due to change in ...

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  15. What is an electromagnet? What does it consist of?

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  16. For a current in a long straight solenoid N-and S-poles are created at...

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  17. A uniform magnetic field exists in the plane of paper pointing from le...

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  18. Commercial electric motors do not used:

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  19. Which of the following correctly describes the magnetic field near a l...

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  20. The phenomenon of electromagnetic is:

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