Year: 2019
Topic: Moving charges and magnetism
Time :
1. A straight conductor carrying current i splits into two parts as shown in the figure. The radius of the circular loop is R. The total magnetic fieldat the centre P at the loop is
(1). \(Zero\)
(2). \(3µ_0 i ∕ 32R\), outward
(3). \(3µ_0 i ∕ 32R\), inward
(4). \(\displaystyle\frac{µ_0i}{2R}\) ,inward