1
MHT CET 2023 11th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

A circular arc of radius '$$r$$' carrying current '$$\mathrm{I}$$' subtends an angle $$\frac{\pi}{16}$$ at its centre. The radius of a metal wire is uniform. The magnetic induction at the centre of circular arc is $$\left[\mu_0=\right.$$ permeability of free space]

A
$$\frac{\mu_0 \mathrm{I}}{32 \mathrm{r}}$$
B
$$\frac{\mu_0 \mathrm{I}}{16 \mathrm{r}}$$
C
$$\frac{\mu_0 \mathrm{I}}{64 \mathrm{r}}$$
D
$$\frac{\mu_0 \mathrm{I}}{8 \mathrm{r}}$$
2
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

A cylindrical magnetic rod has length $$5 \mathrm{~cm}$$ and diameter $$1 \mathrm{~cm}$$. It has uniform magnetization $$5.3 \times 10^3 \mathrm{~A} / \mathrm{m}^3$$. Its net magnetic dipole moment is nearly

A
$$1 \times 10^{-2} \mathrm{~J} / \mathrm{T}$$
B
$$0.5 \times 10^{-2} \mathrm{~J} / \mathrm{T}$$
C
$$2.5 \times 10^{-2} \mathrm{~J} / \mathrm{T}$$
D
$$2 \times 10^{-2} \mathrm{~J} / \mathrm{T}$$
3
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two parallel wires of equal lengths are separated by a distance of $$3 \mathrm{~m}$$ from each other. The currents flowing through $$1^{\text {st }}$$ and $$2^{\text {nd }}$$ wire is $$3 \mathrm{~A}$$ and 4.5 A respectively in opposite directions. The resultant magnetic field at mid point between the wires $$\left(\mu_0=\right.$$ permeability of free space)

A
$$\frac{\mu_0}{2 \pi}$$
B
$$\frac{3 \mu_0}{2 \pi}$$
C
$$\frac{7 \mu_0}{2 \pi}$$
D
$$\frac{5 \mu_0}{2 \pi}$$
4
MHT CET 2023 11th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

An electron is projected along the axis of circular conductor carrying current I. Electron will experience

A
no force.
B
a force along the axis.
C
a force at angle $$30^{\circ}$$ with the axis.
D
a force perpendicular to axis.
MHT CET Subjects
EXAM MAP