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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



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


Grade:upto college level

1 Answers

Kevin Nash
askIITians Faculty 332 Points
7 years ago

        (b)

        We know that magnetic field at the centre of circular coil,

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