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How are magnetic field lines related to ...

How are magnetic field lines related to the strength of a magnetic field?

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Magnetic field lines are closer where magnetic field is strong, farther apart where it is weak, parallel and equidistant where the field is uniform.
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PRADEEP-MAGNETIC EFFECTS OF ELECTRIC CURRENT-Additional Questions A. (very short)
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  2. Which rule do we use to find the direction of this force?

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  6. What important observation did Oersted make in his experiment with cur...

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  7. Why is magnetic field maximum at the centre of a current-carrying coil...

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  8. What is electromagnetic induction?

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  9. What do you mean by magnetic flux?

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  10. Name the rule which gives the direction of induced current?

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  11. Name the device which converts mechanical energy into electrical energ...

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  12. What type of dynamo is used in a bicycle?

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  13. What type of dynamo is used in industry?

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  14. What type of current is given by a cell?

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  16. How is AC different from DC?

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  17. Name the two types of wiring systems used in domestic circuits.

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  18. Which effect of electric current is used in the working of an electric...

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  19. Of what substance is a fuse wire made of?

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  20. What is the capacity of an electric fuse used in (i) lighting circuit ...

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