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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Physics / Electricity
2017-2026
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62
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2017-2026
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37 in last 5 years62 in last 10 years
Last 10 Years Magnetic Properties of Matter Questions
Showing 12 of 62 filtered questions.
1Magnetic Properties Of Matter
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 m...
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 m...
MCQ+4 / -12020
2Magnetic Properties Of Matter
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 \(\overrightarrow B\)
. Then the field
inside the paramagnetic...
paramagnetic substance. The whole system is placed in a uniform magnetic field \(\overrightarrow B\)
. Then the field
inside the paramagnetic...
MCQ+4 / -12020
3Magnetic Properties Of Matter
Magnetic materials used for making permanent
magnets (P) and magnets in a transformer (T)
have different properties of the following,
which property best matches for the type of
magnet required?
magnets (P) and magnets in a transformer (T)
have different properties of the following,
which property best matches for the type of
magnet required?
MCQ+4 / -12020
4Magnetic Properties Of Matter
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 :
MCQ+4 / -12019
5Magnetic Properties Of Matter
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 horizo...
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 horizo...
MCQ+4 / -12019
6Magnetic Properties Of Matter
A paramagnetic material has 1028 atoms/m3. Its magnetic susceptibility at temperature 350 K is 2.8 \(\times\) 10–4. Its susceptibility at 300 K is :
MCQ+4 / -12019
7Magnetic Properties Of Matter
A magnetic compass needle oscillates 30 times per minute at a place where the dip is 45o, and 40 times per
minute where the dip is 30o. If B1 and B2 are respectively the total magnetic field due to the earth at the two
places, then the rati...
minute where the dip is 30o. If B1 and B2 are respectively the total magnetic field due to the earth at the two
places, then the rati...
MCQ+4 / -12019
8Magnetic Properties Of Matter
A paramagnetic substance in the form of a cube with sides 1 cm has a magnetic dipole moment of 20 \(\times\) 10–6 J/ T when a magnetic intensity of 60 \(\times\) 103 A/m is applied. Its magnetic susceptibility is
MCQ+4 / -12019
9Magnetic Properties Of Matter
A magnet of total magnetic moment 10-2 \({\widehat i}\) A-m2 is placed in a time varying magnetic field, B\({\widehat i}\) (cos \(\omega t\)) where B = 1 Tesla and \(\omega\) = 0.125 rad/s. The work done for reversing the direction of th...
MCQ+4 / -12019
10Magnetic Properties Of Matter
At some location on earth, the horizontal component of earth’s magnetic field is 18 × 10–6 T. At this location, magnetic needle of length 0.12 m and pole strength 1.8 Am is suspended from its mid-point using a thread, it makes 45o angle wit...
MCQ+4 / -12019
11Magnetic Properties Of Matter
The \(B\)-\(H\) curve for a ferromagnet is shown in the figure. The ferromagnet is placed inside a long solended with \(1000\) turns/cm. The current that should be passed in the solended to demagnetise the ferromagnet completely is :
MCQ+4 / -12018
12Magnetic Properties Of Matter
A magnetic needle of magnetic moment 6.7 \(\times\) 10-2 A m2 and moment of inertia 7.5 \(\times\) 10-6 kg m2 is
performing simple harmonic oscillations in a magnetic field of 0.01 T. Time taken for 10 complete oscillations is:
performing simple harmonic oscillations in a magnetic field of 0.01 T. Time taken for 10 complete oscillations is:
MCQ+4 / -12017