1
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic field at the centre of a current carrying circular coil of area ' $A$ ' is ' $B$ '. The magnetic moment of the coil is ( $\mu_0=$. permeability of free space)

A
$\frac{2 B}{\mu_0} \sqrt{\frac{A^3}{\pi}}$
B
$\frac{\mathrm{BA}^2}{4 \mu_0 \pi}$
C
$\frac{2 \pi}{\mu_0} \sqrt{A^3}$
D
$\frac{\mu_0}{2 B} \sqrt{\frac{A^3}{\pi}}$
MHT CET (Biology) Subjects
EXAM MAP