1
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A particle having a charge 50 e is revolving in a circular path of radius 0.4 m with $1 \mathrm{r} . \mathrm{p} . \mathrm{s}$. The magnetic field produced at the centre of the circle is $\left(\mu_0=4 \pi \times 10^{-7}\right.$ SI units and $e=1.6 \times 10^{-19} \mathrm{c}$)

A
$10^{-7} \mu_0$
B
$10^{-10} \mu_0$
C
$10^{-14} \mu_0$
D
$10^{-17} \mu_0$
2
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Three long, straight parallel wires carrying currents are arranged as shown. The wire C which carries a current of 5.0 A is so placed that it experiences no force. The distance of wire C from wire $D$ is

MHT CET 2024 2nd May Evening Shift Physics - Moving Charges and Magnetism Question 33 English

A
9 cm
B
7 cm
C
5 cm
D
3 cm
3
MHT CET 2024 2nd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Cyclotron is used to

A
accelerate neutrons.
B
accelerate positively charged particles only.
C
accelerate negatively charged particles only.
D
accelerate positively and negatively charged particles.
4
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic field at the centre of a current carrying circular coil of area ' $A$ ' is ' $B$ '. The magnetic moment of the coil is ( $\mu_0=$ permeability of free space)

A
$\frac{2 \mu_0 \pi^{1 / 2}}{\mathrm{BA}^{3 / 2}}$
B
$\frac{\mathrm{BA}^{3 / 2}}{\mu_0 \pi}$
C
$\frac{2 \mathrm{~B} \mathrm{~A}^{3 / 2}}{\mu_0 \pi^{1 / 2}}$
D
$\frac{\mathrm{B} \mathrm{A}^2}{\mu_0 \pi}$
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