1
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A
coercivity
B
retentivity
C
domain
D
saturation
2
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

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

A
soft ferromagnetic substance soft iron.
B
diamagnetic substance fine copper gauge.
C
paramagnetic substance aluminium.
D
paramagnetic material tantalum.
3
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

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

A
Diamagnetic only.
B
Paramagnetic only.
C
Ferromagnetic only.
D
Diamagnetic and paramagnetic both.
4
MHT CET 2023 10th May Evening Shift
MCQ (Single Correct Answer)
+1
-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

A
$$4.5 \times 10^6 ~\mathrm{Am}^{-1}$$
B
$$6.0 \times 10^{-6} \mathrm{~Am}^{-1}$$
C
$$7.5 \times 10^6 \mathrm{~Am}^{-1}$$
D
$$9.0 \times 10^6 \mathrm{~Am}^{-1}$$
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Graduate Aptitude Test in Engineering
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