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BITSAT SERIES
Physics

Magnetic Force

5 previous year questions.

Volume: 5 Ques
Yield: Medium

High-Yield Trend

1
2025
2
2017
2
2005

Chapter Questions
5 MCQs

01
PYQ 2005
easy
physics ID: bitsat-2
Electron of mass and charge is travelling with a speed along a circular path of radius at right angles to a uniform magnetic field of intensity . If the speed of the electron is doubled and the magnetic field is halved the resulting path would have a radius:
1
2
3
4
02
PYQ 2005
medium
physics ID: bitsat-2
An electron moves at right angle to a magnetic field of with a speed of . If the specific charge of the electron is . The radius of the circular nath will he
1
2.9 cm
2
3.9 cm
3
2.35 cm
4
2 cm
03
PYQ 2017
easy
physics ID: bitsat-2

A charged particle moves through a magnetic field perpendicular to its direction, then

1
kinetic energy changes but the momentum is constant
2

the linear momentum changes but the kinetic energy is constant

3
both momentum and kinetic energy of the particle are not constant
4
both momentum and kinetic energy of the particle are constant
04
PYQ 2017
medium
physics ID: bitsat-2
Two very long, straight, parallel wires carry steady currents and respectively. The distance between the wires is . At a certain instant of time, a point charge is at a point equidistant from the two wires, in the plane of the wires. Its instantaneous velocity perpendicular to this plane. The magnitude of the force due to the magnetic field acting on the charge at this instant is
1
2
3
4
05
PYQ 2025
easy
physics ID: bitsat-2
A proton enters a uniform magnetic field with velocity . The magnitude of the magnetic force on the proton is:
1
N
2
N
3
N
4
0

About Magnetic Force - BITSAT

Magnetic Force is a vital chapter for BITSAT aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.

By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.

Frequently Asked Questions

Why focus on Magnetic Force PYQs?

Analyzing PYQs for this specific chapter reveals the most frequently tested concepts and the typical complexity of questions, allowing you to tailor your study plan efficiently.

How to best use this analysis?

Review the topic breakdown to see which sub-topics within Magnetic Force carry the most weight. Then, tackle the questions iteratively to solidify your understanding.