Magnetic field intensity at the centre of a coil of 50 turns, radius 0.5 m and carrying a current of 2 A is

(a) 0.5 × 10^-5 T

(b) 1.25 × 10^-4 T

(c) 3 × 10^-5 T

(c) 4 × 10^-5 T

Amit Saxena , 12 Years ago

Grade upto college level