A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field

A Bar Magnet Is Hung By A Thin Cotton Thread Physics QuestionA Bar Magnet Is Hung By A Thin Cotton Thread Physics Question

A bar magnet is hung by a thin cotton thread in a uniform horizontal magnetic field and is in equillibrium state. The energy required to rotate it by 60⁰ is W. Now the torque required to keep the magnet in this new position is

Options

(a) W/√3
(b) √3W
(c) √3W/2
(d) 2W/√3

Correct Answer:

√3W

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

AddThis Website Tools
NEET2016
admin:

Related Questions

  1. The unit of permitivity of free space, ε₀ is
  2. For having large magnification power of a compound microscope
  3. The resistance of a carbon resistor of colour code Red-Red Green Silver is(in kΩ)
  4. The transition from the state 3 n = 3 to n = 1 in a hydrogen like atom results
  5. The wheel of a car is rotating at the rate of 1200 rev/min. On pressing