Year: 2022
Topic: Moving charges and magnetism
Time :
1. The magnetic field on the axis of a circular loop of radius 100 cm carrying current I = √2 A, at point 1 m away from the centre of the loop is given by:
(1). 6.28 × 10
−4
T
(2). 3.14 × 10
−7
T
(3). 6.28 × 10
−7
T
(4). 3.14 × 10
−4
T