MHT CET 2025 20th April Evening Shift | Magnetism and Matter Question 5 | Physics

Two bar magnets A and B are geometrically similar but the magnetic moment of $A$ is twice that of $B$. $T_1$ is the time period of oscillation when their like poles are kept together. When unlike poles are kept together, the time period of oscillation is $T_2$. The ratio $T_1: T_2$ will be

$1: 3$

$1: 2$

$1: \sqrt{3}$

$\sqrt{3}: 1$

MHT CET 2025 20th April Morning Shift

MCQ (Single Correct Answer)

-0

The magnetic susceptibility of iron is 5499 . The relative permeability of iron will be

$5500 \times 10^7$

$5500 \times 10^{-7}$

5500

5501

MHT CET 2025 19th April Evening Shift

MCQ (Single Correct Answer)

-0

If $M$ is the magnetisation induced in the material, H is the magnetic field intensity, B is the net magnetic field inside the material then the correct relation between them is ( $\mu_0=$ permeability of free space)

$\quad \mathrm{B}=\frac{\mu_0}{(\mathrm{H}+\mathrm{M})}$

$\quad B=\mu_0(H-M)$

$\quad \mathrm{B}=\frac{\mu_0}{(\mathrm{H}-\mathrm{M})}$

$\quad B=\mu_0(H+M)$

MHT CET 2024 16th May Evening Shift

MCQ (Single Correct Answer)

-0

A solenoid having 400 turns per metre has a core of a material with relative permeability 400. When a current of 0.5 A is passed through it, the magnetization of the core material in $\mathrm{Am}^{-1}$ is nearly

$6 \times 10^5$

$6 \times 10^4$

$8 \times 10^5$

$8 \times 10^4$

PREVIOUS NEXT

MHT CET Subjects