JEE MainPhysicsMagnetic Properties of MatterMCQ+4 / −1
In a ferromagnetic material, below the curie temperature, a domain is defined as :
- Aa macroscopic region with zero magnetization.
- Ba macroscopic region with saturation magnetization.
- Ca macroscopic region with randomly oriented magnetic dipoles.
- Da macroscopic region with consecutive magnetic dipoles oriented in opposite direction.
More from Magnetic Properties of Matter
- The value of aluminium susceptibility is 2.2 10 5. The percentage increase in the magnetic field if space within a current carrying toroid is filled with aluminium is . Then the value of x is …2021 · Numerical
- In a uniform magnetic field, the magnetic needle has a magnetic moment 9.85 10 2 A/m2 and moment of inertia 5 10 6 kg m2. If it performs 10 complete oscillations in 5 seconds then the magnitude of the magnetic…2021 · Numerical
- A perfectly diamagnetic sphere has a small spherical cavity at its centre, which is filled with a paramagnetic substance. The whole system is placed in a uniform magnetic field . Then the field inside the paramagnetic… Includes diagram2020 · MCQ
- A small bar magnet placed with its axis at 30o with an external field of 0.06 T experiences a torque of 0.018 Nm. The minimum work required to rotate it from its stable to unstable equilibrium position is :2020 · MCQ
- A paramagnetic sample shows a net magnetisation of 6 A/m when it is placed in an external magnetic field of 0.4 T at a temperature of 4 K. When the sample is placed in an external magnetic field of 0.3 T at a temperature of 24 K, then the…2020 · MCQ
- Two magnetic dipoles X and Y are placed at a separation d, with their axes perpendicular to each other. The dipole moment of Y is twice that of X. A particle of charge q is passing, through their midpoint P, at angle q = 45° with the… Includes diagram2019 · MCQ
- A bar magnet is demagnetized by inserting it inside a solenoid of length 0.2 m, 100 turns, and carrying a current of 5.2 A. The corecivity of the bar magnet is :2019 · MCQ
- A magnet of total magnetic moment 10-2 A-m2 is placed in a time varying magnetic field, B (cos ) where B = 1 Tesla and = 0.125 rad/s. The work done for reversing the direction of the magnetic…2019 · MCQ