Magnetic field due to currentHard
Question
Due to the flow of current in a circular loop of radius R, the magnetic field produced at the centre of the loop is B. The manetic moment of the loop is :-
Options
A.BR3/2 πμ0
B.2π BR3/μ0
C.BR2/2πμ0
D.2π BR2/μ0
More Magnetic field due to current Questions
Needles N1, N2 and N3 are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet whe...An infinitely long straight wire bent as shown in figure. The circular portion has a radius of 10 cm with its center O a...The vector form of Biot savart law for a current carrying element is :-...A moving coil galvanometer has 150 equal divisions. Its current sensitivity is 10 divisions per milli ampere and voltage...An α particle is moving along a circle of radius R with a constant angular velocity ω. Point A lies in the sam...