JEE Mains 31-Jan-2023 Shift 2 Solved Paper

Section: Physics

Question : 6 of 90

Marks: +1, -0

A long conducting wire having a current I flowing through it, is bent into a circular coil of N turns. Then it is bent into a circular coil of n turns. The magnetic field is calculated at the centre of coils in both the cases. The ratio of the magnetic field in first case to that of second case is :

[31-Jan-2023 Shift 2]

N:n
n2:N2
N2:n2
n:N

Validate

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