Navigate

A bar magnet of magnetic moment M is placed at right angles to a magnetic

A bar magnet of magnetic moment M is placed at right angles to a magnetic induction B. If a force F is experienced by each pole of the magnet, the length of the magnet will be

Options

(a) F/MB
(b) MB/F
(c) BF/M
(d) MF/B

Correct Answer:

MB/F

Explanation:

FL = MB (= Torque)
L = MB/F

NEET2013K
admin:

Related Questions

  1. A total charge of 5µC is distributed uniformly on the surface of the thin walled
  2. A mixture consists of two radioactive materials A₁ and A₂ with half lives of 20s
  3. An object of mass 3kg is at rest. Now a force F=6t² i⃗+4t j⃗ is applied on the object
  4. A cylindrical capacitors has charge Q and length L. If both the charge and length
  5. A cricketer can throw a ball to a maximum horizontal distance of 100 m. With the same