JEE Main 08 Apr 2018 Code A Solved Paper

Section: Physics

Question : 19 of 90

Marks: +1, -0

The dipole moment of a circular loop carrying a current I, is m and the magnetic field at the centre of the loop is B1 When the dipole moment is doubled by keeping the current constant, the magnetic field at the centre of the loop is B2.The ratio

is :

[Main 8 April 2018]

2
√3
√2
1
√2

Validate

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