Q25 of 238 Page 83

The diagram given below represents magnetic field caused by a current-carrying conductor which is:

the diagram represents the magnetic field caused by a circular current carrying conductor.

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Write some of the important uses of electromagnets

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The strength of the magnetic field between the poles of an electromagnet would be unchanged if :

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The magnetic inside a long straight solenoid carrying current :

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Which of the following correctly describes the magnetic field near a long straight wire?