Home
Class 12
CHEMISTRY
A ferromagnetic substance becomes a perm...

A ferromagnetic substance becomes a permanent magnet when it is placed in a magnetic field because:

A

all the domains get oriented in the direction of magnetic field

B

all the domains get oriented in the direction opposite to the direction of magnetic field

C

domains get oriented randomly

D

domains are not affected by magnetic field.

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

Define flux in a magnetic field.

Rank the following magnetic substances in order of their magnetic moments in presence of a magnetic field: Ferrimagnetic, Ferromagnetic, Anti-ferromagnetic

When a magnet is placed in a uniform magnetic field , it experiences

Which of the following substances can exist in a permanently magnetised state even when the magnetic field is removed, and why? (i) Paramagnetic (ii) Ferromagnetic (iii) Ferrimagnetic

The magnetic substance that can be converted into a permanent magnetic substance is-

When a ferromagnetic substance is changed into paramegnetic substances?

Assertion : On heating ferromagnetic or ferromagnetic substance , they become paramagnetic Reason :The electrons change their spin on heating

The magnetic moment of a a small bar magnet is 0.9a.m^(2) If it is placed in a uniform magnetic field making an angle of 30^(@) It , a torque of 0.063N.m Acts on it. What is the magnetic field ?

A paramagnetic sample shows a net magnetisation of 8A.m^(-1) when placed in an external magnetic field of 0 .6T at a temperature of 4 K . When the same sample is placed in an external magnetic field of 0.2T at a temperature of 16 K , the magnetisation would be