Explore topic-wise MCQs in Physics.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the correct combination regarding relative permeability and magnetic susceptibility of a paramagnetic substance.

A. <sub>r</sub> &gt; 1, &lt; 0
B. <sub>r</sub> &lt; 1, &gt; 0
C. <sub>r</sub> &lt; 1, &lt; 0
D. <sub>r</sub> &gt; 1, &gt; 0
Answer» E.
Discussion
2.

Ferromagnetic materials does not show hysteresis.

A. True
B. False
Answer» C.
Discussion
3.

A material has a permeability of 0.1 H/m when the magnetic intensity is 70 A/m. What will be the magnetic induction inside the material?

A. 7 T
B. 0.7 T
C. 70 T
D. 0.07
Answer» B. 0.7 T
Discussion
4.

The magnetic susceptibility of a paramagnetic material at -800C is 0.0085, then what is its value at -1800C?

A. 0.015
B. 0.016
C. 0.017
D. 0.018
Answer» D. 0.018
Discussion
5.

The relative permeability of a medium is 0.050. What is its magnetic susceptibility?

A. 500
B. 501
C. 49.9
D. 499
Answer» E.
Discussion
6.

Relative magnetic permeability is unit less.

A. True
B. False
Answer» B. False
Discussion
7.

Pick out the unit of magnetic permeability.

A. TmA
B. ( frac {Tm}{A} )
C. ( frac {T}{mA} )
D. ( frac {Am}{T} )
Answer» C. ( frac {T}{mA} )
Discussion
8.

Which among the following is true about magnetic susceptibility?

A. It is the ratio of magnetic intensity to intensity of magnetization
B. The SI unit of magnetic susceptibility is Tesla (T)
C. It is the ratio of intensity of magnetization to magnetic intensity
D. It is the ratio of magnetic moment to volume
Answer» D. It is the ratio of magnetic moment to volume
Discussion
9.

Identify the expression for magnetic induction from the following.

A. B = <sub>o</sub>(H+I)
B. B = <sub>o</sub>(H I)
C. B = <sub>o</sub>(H-I)
D. B = <sub>o</sub>( ( frac {H}{I} ))
Answer» B. B = <sub>o</sub>(H I)
Discussion