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Magnetic Properties of Matter PYQs - Last 10 Years

JEE Main / Physics / Electricity / 62 recent questions

PhysicsElectricity2017-2026

Practice 62 JEE Main Physics questions from Magnetic Properties of Matter. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.

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2017-2026
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Last 10 Years Magnetic Properties of Matter Questions

Showing 50 of 62 filtered questions.

1Magnetic Properties Of Matter
A solenoid has a core made of material with relative permeability 400 . The magnetic field produced in the interior of solenoid is 1.0 T . The magnetic intensity in SI units is $\alpha \times 10^5$. The value of $\alpha$ is $\_\_\_\_$ .
(Fr...
MCQ+4 / -12026
2Magnetic Properties Of Matter
Two identical small bar magnets each of dipole moment $3 \sqrt{5} \mathrm{~J} / \mathrm{T}$ are placed at a center to center separation of 10 cm , with their axes perpendicular to each other as shown in figure. The value of magnetic field a...
INTEGER+4 / -12026
3Magnetic Properties Of Matter
A short bar magnet placed with its axis at $30^{\circ}$ with an external field of 800 Gauss, experiences a torque of $0.016 \mathrm{~N} . \mathrm{m}$. The work done in moving it from most stable to most unstable position is $\alpha \times 1...
INTEGER+4 / -12026
4Magnetic Properties Of Matter
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Consider a ferromagnetic material :
Assertion (A) : The individual atoms in a ferromagnetic material possess a magnetic dipole moment ...
MCQ+4 / -12026
5Magnetic Properties Of Matter
The percentage increase in magnetic field (B) when space within a current carrying solenoid is filled with magnesium (magnetic susceptibility $\chi_{\mathrm{Mg}}=1.2 \times 10^{-5}$ ) is :
MCQ+4 / -12025
6Magnetic Properties Of Matter
Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): Magnetic monopoles do not exist.Reason (R): Magnetic field lines are continuous and form closed loops.In the light of ...
MCQ+4 / -12025
7Magnetic Properties Of Matter
A magnetic dipole experiences a torque of $80 \sqrt{3} \mathrm{~N} \mathrm{~m}$ when placed in uniform magnetic field in such a way that dipole moment makes angle of $60^{\circ}$ with magnetic field. The potential energy of the dipole is :
...
MCQ+4 / -12025
8Magnetic Properties Of Matter
The relationship between the magnetic susceptibility $(x)$ and the magnetic permeability $(\mu)$ is given by :
( $\mu_0$ is the permeability of free space and $\mu_T$ is relative permeability)
MCQ+4 / -12025
9Magnetic Properties Of Matter
Match List - I with List - II.

List - I
List - II


(A) Magnetic induction
(I) Ampere meter2


(B) Magnetic intensity
(II) Weber


(C) Magnetic flux
(III) Gauss


(D) Magnetic moment
...
MCQ+4 / -12025
10Magnetic Properties Of Matter
A bar magnet has total length $2 l=20$ units and the field point P is at a distance $\mathrm{d}=10$ units from the centre of the magnet. If the relative uncertainty of length measurement is $1 \%$, then uncertainty of the magnetic field at ...
MCQM+4 / -12025
11Magnetic Properties Of Matter
Paramagnetic substances:
A. align themselves along the directions of external magnetic field.
B. attract strongly towards external magnetic field.
C. has susceptibility little more than zero.
D. move from a region of strong magnetic field t...
MCQ+4 / -12024
12Magnetic Properties Of Matter
The coercivity of a magnet is \(5 \times 10^3 \mathrm{~A} / \mathrm{m}\). The amount of current required to be passed in a solenoid of length \(30 \mathrm{~cm}\) and the number of turns 150, so that the magnet gets demagnetised when inside ...
INTEGER+4 / -12024
13Magnetic Properties Of Matter
Match List I with List II:

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.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;
overflow:hidden;padding:10px 5px;word-break:normal;}...
MCQ+4 / -12024
14Magnetic Properties Of Matter
The magnetic moment of a bar magnet is \(0.5 \mathrm{~Am}^2\). It is suspended in a uniform magnetic field of \(8 \times 10^{-2} \mathrm{~T}\). The work done in rotating it from its most stable to most unstable position is:
MCQ+4 / -12024
15Magnetic Properties Of Matter
The horizontal component of earth's magnetic field at a place is \(3.5 \times 10^{-5} \mathrm{~T}\). A very long straight conductor carrying current of \(\sqrt{2} \mathrm{~A}\) in the direction from South east to North West is placed. The f...
INTEGER+4 / -12024
16Magnetic Properties Of Matter
The magnetic potential due to a magnetic dipole at a point on its axis situated at a distance of \(20 \mathrm{~cm}\) from its center is \(1.5 \times 10^{-5} \mathrm{~T} \mathrm{~m}\). The magnetic moment of the dipole is _________ $$A \math...
INTEGER+4 / -12024
17Magnetic Properties Of Matter
The magnetic intensity at the center of a long current carrying solenoid is found to be \(1.6 \times 10^{3} \mathrm{Am}^{-1}\). If the number of turns is 8 per cm, then the current flowing through the solenoid is __________ A.
INTEGER+4 / -12023
18Magnetic Properties Of Matter
Given below are two statements: one is labelled as Assertion \(\mathbf{A}\) and the other is labelled as Reason \(\mathbf{R}\)
Assertion A : Electromagnets are made of soft iron.
Reason R : Soft iron has high permeability and low retentivit...
MCQ+4 / -12023
19Magnetic Properties Of Matter
A bar magnet with a magnetic moment \(5.0 \mathrm{Am}^{2}\) is placed in parallel position relative to a magnetic field of \(0.4 \mathrm{~T}\). The amount of required work done in turning the magnet from parallel to antiparallel position re...
MCQ+4 / -12023
20Magnetic Properties Of Matter
A solenoid of 1200 turns is wound uniformly in a single layer on a glass tube 2 m long and 0.2 m in diameter. The magnetic intensity at the center of the solenoid when a current of 2 A flows through it is :
MCQ+4 / -12023
21Magnetic Properties Of Matter
A compass needle oscillates 20 times per minute at a place where the dip is \(30^{\circ}\) and 30 times per minute where the dip is \(60^{\circ}\). The ratio of total magnetic field due to the earth at two places respectively is $$\frac{4}{...
INTEGER+4 / -12023
22Magnetic Properties Of Matter
Given below are two statements:
Statement I : The diamagnetic property depends on temperature.
Statement II : The induced magnetic dipole moment in a diamagnetic sample is always opposite to the magnetizing field.
In the light of given stat...
MCQ+4 / -12023
23Magnetic Properties Of Matter
The free space inside a current carrying toroid is filled with a material of susceptibility \(2 \times 10^{-2}\). The percentage increase in the value of magnetic field inside the toroid will be
MCQ+4 / -12023
24Magnetic Properties Of Matter
The current required to be passed through a solenoid of 15 cm length and 60 turns in order of demagnetise a bar magnet of magnetic intensity \(2.4\times10^3~Am^{-1}\) is ___________ A.
INTEGER+4 / -12023
25Magnetic Properties Of Matter
Given below are two statements:
Statement I : For diamagnetic substance, \(-1 \leq \chi < 0\), where \(\chi\) is the magnetic susceptibility.
Statement II : Diamagnetic substances when placed in an external magnetic field, tend to move from...
MCQ+4 / -12023
26Magnetic Properties Of Matter
A bar magnet is released from rest along the axis of a very long vertical copper tube. After some time the magnet will
MCQ+4 / -12023
27Magnetic Properties Of Matter
At a certain place the angle of dip is 30\(^\circ\) and the horizontal component of earth's magnetic field is 0.5 G. The earth's total magnetic field (in G), at that certain place, is :
MCQ+4 / -12022
28Magnetic Properties Of Matter
The vertical component of the earth's magnetic field is \(6 \times 10^{-5} \mathrm{~T}\) at any place where the angle of dip is \(37^{\circ}\). The earth's resultant magnetic field at that place will be \(\left(\right.\)Given $$\left.\tan 3...
MCQ+4 / -12022
29Magnetic Properties Of Matter
The space inside a straight current carrying solenoid is filled with a magnetic material having magnetic susceptibility equal to 1.2 \(\times\) 10\(-\)5. What is fractional increase in the magnetic field inside solenoid with respect to air ...
MCQ+4 / -12022
30Magnetic Properties Of Matter
The susceptibility of a paramagnetic material is 99. The permeability of the material in Wb/A-m, is :
[Permeability of free space \(\mu\)0 = 4\(\pi\) \(\times\) 10\(-\)7 Wb/A-m]
MCQ+4 / -12022
31Magnetic Properties Of Matter
A magnet hung at \(45^{\circ}\) with magnetic meridian makes an angle of \(60^{\circ}\) with the horizontal. The actual value of the angle of dip is -
MCQ+4 / -12022
32Magnetic Properties Of Matter
Two bar magnets oscillate in a horizontal plane in earth's magnetic field with time periods of \(3 \mathrm{~s}\) and \(4 \mathrm{~s}\) respectively. If their moments of inertia are in the ratio of \(3: 2\), then the ratio of their magnetic ...
MCQ+4 / -12022
33Magnetic Properties Of Matter
A compass needle of oscillation magnetometer oscillates 20 times per minute at a place \(\mathrm{P}\) of \(\operatorname{dip} 30^{\circ}\). The number of oscillations per minute become 10 at another place \(\mathrm{Q}\) of \(60^{\circ}\) di...
MCQ+4 / -12022
34Magnetic Properties Of Matter
A bar magnet having a magnetic moment of 2.0 \(\times\) 105 JT\(-\)1, is placed along the direction of uniform magnetic field of magnitude B
= 14 \(\times\) 10\(-\)5 T. The work done in rotating the magnet slowly through 60\(^\circ\) from...
MCQ+4 / -12022
35Magnetic Properties Of Matter
Given below are two statements :
Statement I : Susceptibilities of paramagnetic and ferromagnetic substances increase with decrease in temperature.
Statement II : Diamagnetism is a result of orbital motions of electrons developing magnetic ...
MCQ+4 / -12022
36Magnetic Properties Of Matter
An electron with energy 0.1 keV moves at right angle to the earth's magnetic field of 1 \(\times\) 10\(-\)4 Wbm\(-\)2. The frequency of revolution of the electron will be :
(Take mass of electron = 9.0 \(\times\) 10\(-\)31 kg)
MCQ+4 / -12022
37Magnetic Properties Of Matter
The soft-iron is a suitable material for making an electromagnet. This is because soft-iron has
MCQ+4 / -12022
38Magnetic Properties Of Matter
In a uniform magnetic field, the magnetic needle has a magnetic moment 9.85 \(\times\) 10\(-\)2 A/m2 and moment of inertia 5 \(\times\) 10\(-\)6 kg m2. If it performs 10 complete oscillations in 5 seconds then the magnitude of the magnetic ...
INTEGER+4 / -12021
39Magnetic Properties Of Matter
The value of aluminium susceptibility is 2.2 \(\times\) 10\(-\)5. The percentage increase in the magnetic field if space within a current carrying toroid is filled with aluminium is \({x \over {{{10}^4}}}\). Then the value of x is _________...
INTEGER+4 / -12021
40Magnetic Properties Of Matter
In a ferromagnetic material, below the curie temperature, a domain is defined as :
MCQ+4 / -12021
41Magnetic Properties Of Matter
A soft ferromagnetic material is placed in an external magnetic field. The magnetic domains :
MCQ+4 / -12021
42Magnetic Properties Of Matter
Statement I : The ferromagnetic property depends on temperature. At high temperature, ferromagnet becomes paramagnet.Statement II : At high temperature, the domain wall area of a ferromagnetic substance increases.In the light of the above s...
MCQ+4 / -12021
43Magnetic Properties Of Matter
Choose the correct option
MCQ+4 / -12021
44Magnetic Properties Of Matter
The magnetic susceptibility of a material of a rod is 499. Permeability in vacuum is 4\(\pi\) \(\times\) 10\(-\)7 H/m. Absolute permeability of the material of the rod is :
MCQ+4 / -12021
45Magnetic Properties Of Matter
At an angle of 30\(^\circ\) to the magnetic meridian, the apparent dip is 45\(^\circ\). Find the true dip :
MCQ+4 / -12021
46Magnetic Properties Of Matter
Following plots show magnetization (M) vs magnetizing field (H) and magnetic susceptibility (\(\chi\)) vs temperature (T) graph :Which of the following combination will be represented by a diamagnetic material?
MCQ+4 / -12021
47Magnetic Properties Of Matter
Which of the following statements are correct?(A) Electric monopoles do not exist whereas magnetic monopoles exist.(B) Magnetic field lines due to a solenoid at its ends and outside cannot be completely straight and confined.(C) Magnetic fi...
MCQ+4 / -12021
48Magnetic Properties Of Matter
A bar magnet of length 14 cm is placed in the magnetic meridian with its north pole pointing towards the geographic north pole. A neutral point is obtained at a distance of 18 cm from the center of the magnet. If BH = 0.4 G, the magnetic mo...
MCQ+4 / -12021
49Magnetic Properties Of Matter

The figure gives experimentally measured B vs H variation in a ferromagnetic material. The
retentivity, coercivity and saturation, respectively, of the material are :
MCQ+4 / -12020
50Magnetic Properties Of Matter
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 :
MCQ+4 / -12020