Electromagnetism
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Alternating Current
MCQ (Single Correct Answer)
Modern Physics
Dual Nature of Radiation
MCQ (Single Correct Answer)
Semiconductor Devices and Logic Gates
MCQ (Single Correct Answer)
Communication Systems
MCQ (Single Correct Answer)
1
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

The magnetic induction along the axis of a toroidal solenoid is independent of

A
number of turns per unit length.
B
current passing through it.
C
radius of the toroidal solenoid.
D
permeability
2
MHT CET 2024 16th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two coils P and Q each of radius R carry currents I and $\sqrt{8} \mathrm{I}$ respectively in same direction. Those coils are lying in perpendicular planes such that they have a common centre. The magnitude of the magnetic field at the common centre of the two coils is ( $\mu_0=$ permeability of free space)

A
$\frac{\mu_0 I}{2 R}$
B
$\frac{3 \mu_0 I}{2 R}$
C
$\frac{5 \mu_0 I}{2 R}$
D
$\frac{7 \mu_0 \mathrm{I}}{2 \mathrm{R}}$
3
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Two concentric circular coils A and B having radii 20 cm and 10 cm respectively lie in the same plane. The current in coil A is 0.5 A in anticlockwise direction. The current in coil B , so that net magnetic field at the common centre is zero, is

A
$0.5 \mathrm{~A}$ in anticlockwise direction.
B
0.25 A in anticlockwise direction.
C
0.25 A in clockwise direction.
D
0.125 A in clockwise direction.
4
MHT CET 2024 15th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

An electron is revolving in a circular orbit of radius $r$ in a hydrogen atom. The angular momentum of the electron is L . The relation between dipole moment (m) associated with it, gyromagnetic ratio ( R ) and L is

A
$\mathrm{m}=-\frac{\mathrm{L}}{\mathrm{R}}$
B
$\mathrm{m}=-\mathrm{RL}$
C
$\mathrm{m}=-\mathrm{RL}^2$
D
$\mathrm{m}=\frac{\mathrm{R}}{\mathrm{L}}$
Questions Asked from MCQ (Single Correct Answer)
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