Advertisements
Advertisements
प्रश्न
If the magnetizing field on a ferromagnetic material is increased, its permeability ______.
पर्याय
decreases
increases
remains unchanged
first decreases and then increases
Advertisements
उत्तर
If the magnetizing field on a ferromagnetic material is increased, its permeability decreases.
APPEARS IN
संबंधित प्रश्न
Distinguish between ‘paramagnetic’ and ‘ferromagnetic’ substances.
An iron rod of the area of cross-section 0.1m2 is subjected to a magnetizing field of 1000 A/m. Calculate the magnetic permeability of the iron rod. [Magnetic susceptibility of iron = 59.9, magnetic permeability of vacuum = 4π x 10-7 S. I. unit]
Identify the following magnetic materials :
Which of the following statements is correct for diamagnetic materials?
All atoms of a magnetic substance have a resultant magnetic moment even in absence of external magnetic field. The substance is ______.
Magnetic material can be easily magnetized if magnetic susceptibility is ______.
The magnetic property of magnetic substance is associated with ____________.
From molecular view point, discuss the temperature dependence of susceptibility for diamagnetism, paramagnetism and ferromagnetism.
