A straight wire carrying a current of 14 A is bent into a semicircular arc of radius 2. 2 cm as shown in the figure. The magnetic field produced by the current at the center O of the arc is____x 10 -4 T
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(2)
It is given that
i = 14 A
R = 2.2 x 10 -2 m
The magnetic field at the center O is
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