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Question

The field lines at the centre of a long circular coil carrying current will be :

A
in any direction
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B
unparallel straight lines
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C
parallel straight lines
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D
zero
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Solution

The correct option is C parallel straight lines
Magnetic field lines at the centre of a long circular coil carrying current will be parallel straight lines as shown in the given figure.
585967_285301_ans.png

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