MHT CET 2023 14th May Evening Shift | Magnetism and Matter Question 1 | Physics

In the hysteresis curve the value of magnetization (B) which will be present in a substance when value of magnetizing force $$(\mathrm{H})$$ is made zero $$(\mathrm{H}=0)$$ is called as

coercivity

retentivity

domain

saturation

MHT CET 2023 13th May Evening Shift

MCQ (Single Correct Answer)

-0

Magnetic shielding is done by surrounding the instrument to be protected from magnetic field by

soft ferromagnetic substance soft iron.

diamagnetic substance fine copper gauge.

paramagnetic substance aluminium.

paramagnetic material tantalum.

MHT CET 2023 13th May Morning Shift

MCQ (Single Correct Answer)

-0

For which of the following substances, the magnetic susceptibility is independent of temperature?

Diamagnetic only.

Paramagnetic only.

Ferromagnetic only.

Diamagnetic and paramagnetic both.

MHT CET 2023 10th May Evening Shift

MCQ (Single Correct Answer)

-0

A solenoid of 500 turns/m is carrying a current of 3 A. Its core is made of iron which has relative permeability 5001. The magnitude of magnetization is

$$4.5 \times 10^6 ~\mathrm{Am}^{-1}$$

$$6.0 \times 10^{-6} \mathrm{~Am}^{-1}$$

$$7.5 \times 10^6 \mathrm{~Am}^{-1}$$

$$9.0 \times 10^6 \mathrm{~Am}^{-1}$$

MHT CET Subjects