Navigate

An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long

An iron rod of volume 10⁻⁴ m³ and relative permeability 1000 is placed inside a long solenoid having 5 turns/cm. If a current of 0.5 A is passed through the solenoid, then the magnetic moment of the rod is

Options

(a) 20 Am²
(b) 25 Am²
(c) 30 Am²
(d) 35 Am²

Correct Answer:

25 Am²

Explanation:

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

BCE2012
admin:

Related Questions

  1. If sound wave travel from air to water, which of the following remains unchanged?
  2. The velocity of sound is V, in air. If the density of air is increased to four times
  3. The relationship between decay constant λ and half-life T of a radioactive substance is
  4. A transistor is operated in common emitter configuration at constant collector
  5. The wavelength λₑ of an electron and λₚ of a photon are of same energy E are related by