CUET-UG SERIES Physics
Magnetic Field
9 previous year questions.
Volume: 9 Ques
Yield: Medium
High-Yield Trend
1
2025 3
2023 5
2022 Chapter Questions 9 MCQs
01
PYQ 2022
medium
physics ID: cuet-ug-
A proton and an Alpha particle moving with the same kinetic energy enter the range of a uniform magnetic field perpendicular to it. the ratio radii of their trajectors will be
1
1:1
2
√2:1
3
4:1
4
1:√2
02
PYQ 2022
medium
physics ID: cuet-ug-
Magnetic field due to the current carrying wire as shown in the figure at point “O” will be:
1
μ0I/2R
2
μ0I/4R
3
μ0I/2πR
4
μ0I/4πR
03
PYQ 2022
medium
physics ID: cuet-ug-
The magnetic field of a plane electromagnetic wave is given by B_x=2✕10-7sin(0.6✕103y+2✕1011t)T.An expression for its electric field is:
1
E_x=2✕10^-7sin(0.6✕10^3y+2✕10^11t)V/M
2
E_y=60sin(0.6✕10^3y+2✕10^11t)V/M
3
E_z=2✕10^-7sin(0.6✕10^3y+2✕10^11t)V/M
4
E_z=60sin(0.6✕10^3y+2✕10^11t)V/M
04
PYQ 2022
medium
physics ID: cuet-ug-
An electron is shot into the uniform magnetic field normal to the direction of the field. Then the frequency of revolution of the electron and its circular orbit:
1
Is independent of its speed
2
decreases with its speed
3
increases with its speed
4
increase with radius of revolution
05
PYQ 2022
medium
physics ID: cuet-ug-
An electron is projected in a uniform magnetic field along the direction of the field, the electron will experience:
1
A force opposite to the magnetic field
2
a force in the direction of magnetic field
3
no force in magnetic field
4
a force perpendicular to the magnetic field
06
PYQ 2023
medium
physics ID: cuet-ug-
If a copper wire carries a direct current, the magnetic field associated with the current would be:
1
Only inside the wire
2
Only outside the wire
3
Both inside and outside of the wire
4
No magnetic field would exists due to direct current
07
PYQ 2023
medium
physics ID: cuet-ug-
The coercivity of a bar magnet is 140 A m . To demagnetize it, it is placed inside a solenoid of length 1.6 m and number of turns 112. What is the current flowing through the solenoid?
1
9 A
2
2.25 A
3
3.2 A
4
1.25 A
08
PYQ 2023
medium
physics ID: cuet-ug-
A bar magnet when suspended horizontally and perpendicular to earth's field experiences a torque of 3 x 10-4 Nm. The Magnetic moment of the magnet would be:
(take horizontal component of Earth's magnetic field at the place 0.4 × 10-4T)
(take horizontal component of Earth's magnetic field at the place 0.4 × 10-4T)
1
7.5 JT -1
2
5.7 JT-1
3
0.75 JT-1
4
0.57 JT-1
09
PYQ 2025
easy
physics ID: cuet-ug-
A charged particle with charge and velocity moves perpendicular to a magnetic field . The radius of the circular path is . What is the expression for ?
1
2
3
4