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Magnetic Effect...

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  • Question 1
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    A commutator changes the direction of current in the coil of

  • Question 2
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    The magnetic field lines due to straight wire carrying a current are-

  • Question 3
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    The power of an electric motor can be increased by

  • Question 4
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    What capacity of fuse wire is to be used for geyser?

  • Question 5
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    A coil of copper wire is connected to a galvanometer. What would happen if a bar magnet is pushed into the coil with its north pole entering first

  • Question 6
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    The phenomena of electromagnetic induction is

  • Question 7
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    The device used for producing current is called

  • Question 8
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    The magnetic axis of earth makes an angle of ___________ with geographic axis of earth.

  • Question 9
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    What type of currents is produced by most of the power stations in India?

  • Question 10
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    What is the current rating of domestic circuits used for appliances like electric bulb, tube light and fans?

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