1
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
2
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.
3
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
$\frac{\mathrm{B} \mathrm{A}^2}{\mu_0 \pi}$
4
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two identical current carrying coils with same centre are placed with their planes perpendicular to each other. If current $\mathrm{I}=\sqrt{2} \mathrm{~A}$ and radius of the coil is $R=1 \mathrm{~m}$, then magnetic field at centre is equal to ( $\mu_0=$ permeability of free space)

A
$\mu_0$
B
$\frac{\mu_0}{2}$
C
$2 \mu_0$
D
$\sqrt{2} \mu_0$
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