A straight wire carrying a current of 12A is bent into a semicircular loop of radius 2 0 cm What will be magnetic field at the

Question

A straight wire carrying a current of 12A is bent into a semicircular loop of radius 2 0 cm What will be magnetic field at the centre of the semicircular loop 1 B 1 9 x 104 TO 2 B 1 9 x 10 TO 3 B 1 9 x 10 TO 4 B 1 9 x 10 TO

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