Physics · JEE

Force on a moving charge in uniform magnetic and electric fields Concepts for JEE

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Quick answer

Master Force on a moving charge in uniform magnetic and electric fields by understanding definitions, standard results, and typical JEE question patterns — then practise with syllabus-aligned MCQs on Goodmarks.

Build clear conceptual foundations for Force on a moving charge in uniform magnetic and electric fields before speed practice. This guide covers what JEE expects and how to test yourself with MCQs.

Concept explainer

Force on a moving charge in uniform magnetic and electric fields is a core JEE Main Physics subtopic under Magnetic Effects of Current and Magnetism. Master the definitions, standard results, and typical MCQ patterns tested in JEE Main and Advanced.

Key points

Understand the definition and scope of Force on a moving charge in uniform magnetic and electric fields in the JEE syllabus
Memorise key formulas and standard results linked to Force on a moving charge in uniform magnetic and electric fields
Practise 20–40 syllabus-aligned MCQs with step-by-step solutions

JEE tips

Revise Force on a moving charge in uniform magnetic and electric fields with a one-page formula sheet before attempting mixed tests
After each practice set, log mistakes specific to Force on a moving charge in uniform magnetic and electric fields and reattempt after 48 hours

Common trap

Students often rush Force on a moving charge in uniform magnetic and electric fields questions without checking units, sign conventions, or boundary conditions — always verify assumptions before calculating.

Syllabus context

Part of Magnetic Effects of Current and Magnetism in JEE Main Physics.

Free sample questions

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Q1PhysicsUnit 13: Magnetic Effects of Current and Magnetism

Assertion If a charged particle enters from outside at right angles in uniform magnetic field.The maximum time spent in magnetic field may be

\frac{\pi m}{B q}

Reason It can complete only semi-circle in the magnetic field.

Q2PhysicsUnit 13: Magnetic Effects of Current and Magnetism

Which of the following phenomenon can be related to electric current

Q3PhysicsUnit 13: Magnetic Effects of Current and Magnetism

In a cathode ray oscillograph, the focusing of beam on the screen is achieved by

Q4PhysicsUnit 13: Magnetic Effects of Current and Magnetism

A charged particle moving at right angles to a uniform magnetic field:

Q5PhysicsUnit 13: Magnetic Effects of Current and Magnetism

Under what condition the force acting on charge particle moving in the magnetic field minimum?

Q6PhysicsUnit 13: Magnetic Effects of Current and Magnetism

A charged particle is projected in a plane perpendicular to uniform magnetic field. The areal velocity (area swept per unit time) of the particle is : This question has multiple correct options

Q7PhysicsUnit 13: Magnetic Effects of Current and Magnetism

An electron moves at right angle to a magnetic field of

1.5 \times 10^{-2} T

with a speed of

6 \times 10^{7} m / s .

If the specific charge on the electron is

1.7 \times

10^{11} C / k g,

the radius of the circular path will be

Q8PhysicsUnit 13: Magnetic Effects of Current and Magnetism

In a region, steady and uniform electric and magnetic fields are present. These two fields are parallel to each other. A charged particle is released from rest in this region. The path of the particle will be a

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Frequently asked questions

What concepts in Force on a moving charge in uniform magnetic and electric fields are essential for JEE?

Focus on core ideas across Force on a moving charge in uniform magnetic and electric fields. JEE tests application, not just memorisation.