Which part of current carrying circular loop represents the strongest magnetic field?

A point on the circumference of the loop

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A point outside the loop

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Centre of the loop

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A point close to the center of the loop

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Solution

The correct option is C Centre of the loop
When there is a current carrying circular loop, direction of magnetic field lines can be obtained by right hand thumb rule as shown In the figure. As we can see magnetic field strength in the loop is adding up and based on experimental result, its value is highest at the centre of the circular loop.

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