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(a) Draw the magnetic lines of force due to a circular wire carrying current. (b) What are the various ways in which the strength of the magnetic field produced by a current-carrying circular coil can be increased ? |
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Answer» (a) Draw the magnetic lines of force due to a circular wire carrying current. (b) What are the various ways in which the strength of the magnetic field produced by a current-carrying circular coil can be increased ? |
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