JEE Main 15 Apr 2018 Shift 1 Solved Paper

Section: Physics

Question : 18 of 90

Marks: +1, -0

A Helmholtz coil has a pair of loops, each with N turns and radius R. They are placed coaxially at distance R and the same current I flows through the loops in the same direction. The magnitude of magnetic field at P, midway between the centres A and C, is given by [Refer to figure given below] :

[Main 15 April 2018 S1]

8Nµ0I
5
1
2
R
8Nµ0I
5
3
2
R
4Nµ0I
5
1
2
R
4Nµ0I
5
3
2
R

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