1
MHT CET 2024 4th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic moments associated with two closely wound circular coils A and B of radius $r_A=10 \mathrm{~cm}$ and $r_B=20 \mathrm{~cm}$ respectively are equal if $\left(N_A, I_A\right.$ and $N_B, I_B$ are number of turns and current of A and B respectively)

A
$2 N_A \mathrm{I}_{\mathrm{A}}=\mathrm{N}_{\mathrm{B}} \mathrm{I}_{\mathrm{B}}$
B
$\mathrm{N}_{\mathrm{A}}=2 \mathrm{~N}_{\mathrm{B}}$
C
$\mathrm{N}_{\mathrm{A}} \mathrm{I}_{\mathrm{A}}=4 \mathrm{~N}_{\mathrm{B}} \mathrm{I}_{\mathrm{B}}$
D
$ 4 N_A I_A=N_B I_B$
2
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic susceptibility of the material of a rod is 599. The absolute permeability of the material of the rod will be [ $\mu_0=4 \pi \times 10^{-7}$ SI unit]

A
$2 \pi \times 10^{-4}$
B
$2.4 \pi \times 10^{-4}$
C
$4 \pi \times 10^{-4}$
D
$4.8 \pi \times 10^{-4}$
3
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A magnetic needle of magnetic moment $6 \times 10^{-2} \mathrm{Am}^2$ and moment of inertia $9.6 \times 10^{-5} \mathrm{~kg} \mathrm{~m}^2$ performs simple harmonic motion in a magnetic field of 0.01 T . Time taken to complete 10 oscillations is [Take $\pi=3 \cdot 14$]

A
0.2512 s
B
$2.512 \mathrm{~s}$
C
25.12 s
D
251.2 s
4
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The relation between total magnetic field (B), magnetic intensity $(\mathrm{H})$, permeability of free space $\left(\mu_0\right)$ and susceptibility $(\chi)$ is

A
$\frac{\mathrm{H}}{\mathrm{B}}=\mu_0(1+\chi)$
B
$\frac{B}{H}=\mu_0(1+\chi)$
C
$\frac{\mathrm{H}}{\mathrm{B}}=\mu_0(\chi-1)$
D
$\frac{B}{H}=\mu_0(1-x)$
MHT CET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12