determine the magnitude of magnetic field of wire loop at the centre of the circle with radius r and current i
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The magnetic field strength at the center of a circular loop is given by B=μ0I2R(at center of loop), where R is the radius of the loop. RHR-2 gives the direction of the field about the loop
The magnetic field lines are concentric circles at every point of a current carrying circular loop. The direction of magnetic field of every section of the circular loop can be found by using the right hand thumb rule. At the centre of the circular loop, The magnetic field lines are straight.
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answer given above as per dgvcl answer key
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