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Magnetic properties is an important topic in the Material Science and Technology section in CUET PG exam. Practising this topic will increase your score overall and make your conceptual grip on CUET PG exam stronger.
This article gives you a full set of CUET PG PYQs for Magnetic properties with explanations for effective preparation. Practice of CUET PG Material Science and Technology PYQs including Magnetic properties questions regularly will improve accuracy, speed, and confidence in the CUET PG 2026 exam.
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CUET PG PYQs for Magnetic properties with Solutions
1.
An ideal solenoid with 40 turns per cm has an aluminium core and carries a current of 2.0 A. The magnetization I developed in the core and the magnetic field B at the center are:(Susceptibility of aluminium \(\chi = 2.3 \times 10^{-5}\)):- \(I = 0.18 \, \text{A/m}, \, B = 3.2 \times 10^{-4} \, \text{T}\)
- \(I = 0.48 \, \text{A/m}, \, B = 3.2 \times 10^{-4} \, \text{T}\)
- \(I = 1.048 \, \text{A/m}, \, B = 3.2 \times 10^{-4} \, \text{T}\)
- \(I = 1.018 \, \text{A/m}, \, B = 3.2 \times 10^{-4} \, \text{T}\)
2.
A bar magnet made of steel has a magnetic moment of \(2.5 \, \text{Am}^2\) and a mass of \(6.6 \times 10^{-2} \, \text{kg}\). If the density of steel is \(7.9 \times 10^3 \, \text{kg/m}^3\), the intensity of magnetization of the magnet is:- \(I = 30 \times 10^5 \, \text{A/m}\)
- \(I = 30 \times 10^7 \, \text{A/m}\)
- \(I = 30 \times 10^6 \, \text{A/m}\)
- \(I = 30 \times 10^4 \, \text{A/m}\)
3.
The maximum value of permeability \(\mu = 0.126 \, \text{T m/A}\). The maximum relative permeability \(\mu_r\) is:- \(\mu_r = 1.00 \times 10^3\)
- \(\mu_r = 1.00 \times 10^4\)
- \(\mu_r = 1.00 \times 10^5\)
- \(\mu_r = 1.00 \times 10^6\)
4.
The percentage increase in magnetic field \(B\) when the space within a current-carrying toroid is filled with aluminium is: (Susceptibility of aluminium \(\chi = 2.4 \times 10^{-5}\)):- \(0.0024\%\)
- \(0.024\%\)
- \(2.4\%\)
- \(24\%\)
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