Q36 of 238 Page 93

A charged particle enters at right angles into a uniform magnetic field as shown:


What should be the nature of charge on the particle if it begins to move in a direction pointing vertically out of the page due to its interaction with the magnetic field?

The nature of charge on the particle if it begins to move in a direction pointing vertically out of the page due to its interaction with the magnetic field, will be positively charged.


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Which way does the wire in the diagram below tend to move?

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What is the force on a current-carrying wire that is parallel to a magnetic field? Give reason for your answer.

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Name the device which converts mechanical energy into electric energy.

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Out of an A.C. generator and a D.C. generator:

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(b) which one uses slip rings?