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

A charged particle is moving along a magnetic field line. What is the magnetic force acting on the particle? $\left(\sin 0^{\circ}=0, \sin \frac{\pi}{2}=1\right)$

A
Opposite to its velocity.
B
Perpendicular to its velocity.
C
Zero.
D
Along its velocity.
2
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A current of 5 A flows through a toroid having a core of mean radius 20 cm . If 4000 turns of the conducting wire are wound on the core, then the magnetic field inside the core of the toroid is [permeability of free space $=4 \pi \times 10^{-7}$ SI units]

A
$8 \times 10^{-2} \mathrm{~Wb} / \mathrm{m}^2$
B
$6 \times 10^{-2} \mathrm{~Wb} / \mathrm{m}^2$
C
$5 \times 10^{-2} \mathrm{~Wb} / \mathrm{m}^2$
D
$2 \times 10^{-2} \mathrm{~Wb} / \mathrm{m}^2$
3
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
$10^{-17} \mu_0$
4
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 68 English

A
9 cm
B
7 cm
C
5 cm
D
3 cm
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