Question

Magnetic field intensity due to a dipole varies as $d^n;$ $d=$ distance of observation point from dipole, where n is equal to

• A. 2
• B. -2
• C. 3
• D. -3

Answer 1

Answer: (D)

Due to a magnetic dipole, $B\propto \frac{1}{d^3}$ $n=-3$