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Electromagnetic Induction

Draw the patt...

Question

Draw the pattern of lines of force due to a magnetic field through and around a current carrying loop of wire. How would the strength of the magnetic field produced at the centre of the circular loop be affected if: (a) the strength of the current passing through this loop is double? (b) the radius of the loop is reduced to half of the original radius?

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Q. Draw the pattern of magnetic field lines through and around a current-carrying wire. Make the direction of (i) electric current in the wire (ii) magnetic field lines.
How would the strength of magnetic field due to current, carrying loop be affected if
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(b) strength of current through the wire is doubled?

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