VITEEE SERIES Physics
Magnetic Field
16 previous year questions.
Volume: 16 Ques
Yield: Medium
High-Yield Trend
3
2023 3
2022 2
2019 1
2018 1
2016 2
2015 2
2010 1
2007 1
2004 Chapter Questions 16 MCQs
01
PYQ 2004
medium
physics ID: viteee-2
A proton enters a magnetic field parallel to the direction of the field. Then, the path followed by it is
1
circular
2
Straight line
3
hyperbola
4
helical.
02
PYQ 2007
medium
physics ID: viteee-2
A proton with energy of 2 MeV enters a uniform magnetic field of2.5 T normally. The magnetic force on the proton is (Take mass of proton to be
1
2
3
4
03
PYQ 2010
medium
physics ID: viteee-2
A proton of mass enters a uniform magnetic field of at point A shown in figure with a speed of The magnetic field is directed normal to the plane of paper downwards. The proton emerges out of the magnetic field at point , then the distance and the value of angle will respectively be
1
2
3
4
04
PYQ 2010
medium
physics ID: viteee-2
In the hydrogen atom, the electron is making rps. If the radius of orbit is m, then magnetic field produced at the centre of the orbit is
1
140T
2
12.5T
3
1.4T
4
0.14T
05
PYQ 2015
medium
physics ID: viteee-2
Two sources of equal emf are connected to a resistance . The internal resistance of these sources are and . If the potential difference across the source having internal resistance is zero, then
1
2
3
4
06
PYQ 2015
medium
physics ID: viteee-2
In a potentiometer experiment, the balancing length of a cell is . When an external resistance of is connected in parallel to the cell, the balancing length changes by .The internal resistance of a cell is
1
2
3
4
07
PYQ 2016
hard
physics ID: viteee-2
Two solenoids are given - 1st has 1 turn per unit length and 2nd has n turns per unit length. Ratio of magnetic fields at their centres is
1
2
3
4
08
PYQ 2018
easy
physics ID: viteee-2
The magnetic field at a point due to a current carrying conductor is directly proportional to
1
resistance of the conductor
2
thickness of the conductor
3
current flowing through the conductor
4
distance from the conductor
09
PYQ 2019
medium
physics ID: viteee-2
The work done by an uniform magnetic field, on a moving charge is
1
zero because acts parallel to
2
positive because acts perpendicular to
3
zero because acts perpendicular to
4
negative because acts parallel to
10
PYQ 2019
easy
physics ID: viteee-2
The magnetic field at a distance r from a long wire carrying current i is 0.4 tesla. The magnetic field at a distance 2r is
1
0.2 tesla
2
0.8 tesla
3
0.1 tesla
4
0.6 tesla
11
PYQ 2022
medium
physics ID: viteee-2
The magnetic moment of an electron (e) revolving in an orbit around nucleus with an orbital angular momentum is given by:
1
2
3
4
12
PYQ 2022
medium
physics ID: viteee-2
When you walk through a metal detector carrying a metal object in your pocket, it raises an alarm. This phenomenon works on:
1
Electromagnetic induction
2
Resonance in ac circuits
3
Mutual induction in ac circuits
4
Interference of electromagnetic waves
13
PYQ 2022
medium
physics ID: viteee-2
A current flows along the length of an infinitely long, straight, thin-walled pipe. Then:
1
the magnetic field at all points inside the pipe is the same, but not zero
2
the magnetic field is zero only on the axis of the pipe
3
the magnetic field is different at different points inside the pipe
4
the magnetic field at any point inside the pipe is zero
14
PYQ 2023
medium
physics ID: viteee-2
In a Rutherford scattering experiment, when a projectile of charge and mass approaches a target nucleus of charge and mass , the distance of closest approach is . The energy of the projectile is:
1
Directly proportional to
2
Inversely proportional to
3
Directly proportional to mass
4
Directly proportional to
15
PYQ 2023
medium
physics ID: viteee-2
If is magnetic moment and is the magnetic field, then the torque is given by:
1
2
3
4
16
PYQ 2023
medium
physics ID: viteee-2
A planet in a distant solar system is 10 times more massive than Earth and its radius is 10 times smaller. Given that the escape velocity from Earth's surface is 11 km/s, the escape velocity from the planet’s surface would be:
1
km/s
2
km/s
3
km/s
4
km/s