iCON Education - Magnetism and Matter BITSAT Test

iCON Education iconic preparation for JEE and NEET

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Candidate Name

Student

Exam Name

BITSAT

Test Name

Magnetism and Matter

Subject

Physics

← Back to Magnetism and Matter

Remaining Time

00:15:00

Question 1: Palette 1/4

BITSAT 2025 MCQ

A bar magnet has magnetic moment of $0.05 \mathrm{Am}^2$ which is suspended in uniform magnetic field of 0.2 T . Calculate the work done in rotating the magnet from its most stable to most unstable position in the magnetic field.

0.05 J

0.10 J

0.15 J

0.20 J

Question 2: Palette 2/4

BITSAT 2023 MCQ

Magnetic moment of bar magnet is $2 M$. The work done to turn the magnet by $90^{\circ}$ of magnet in direction of magnetic field $B / 2$ will be

zero

$\frac{M B}{2}$

2MB

Question 3: Palette 3/4

BITSAT 2022 MCQ

If the B - H curves of two samples of X and Y of iron are as shown below, then which one of the following statement is correct?

BITSAT 2022 Physics - Magnetism and Matter Question 3 English

Both X and Y are suitable for making electromagnets.

Both X and Y are suitable for making permanent magnet.

X is suitable for making permanent magnet and Y for making electromagnet.

X is suitable for making electromagnet and Y is suitable for permanent magnet.

Question 4: Palette 4/4

BITSAT 2020 MCQ

A long cylindrical iron core of cross-sectional area 5 cm² is inserted into a long solenoid having 4000 turns/meter and carrying a current 5 A. The magnetic field inside the core is $\pi$ T. Find the pole strength developed.

1000 A-m

1240 A-m

882 A-m

760 A-m

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