Physics · JEE

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

25+ syllabus-aligned questions available

Quick answer

Short tricks for Force on a moving charge in uniform magnetic and electric fields work only with strong fundamentals. Apply the tips below in timed sets and review every explanation.

Use these Force on a moving charge in uniform magnetic and electric fields shortcuts to save time in JEE Physics papers — then validate speed with 25+ MCQs on Goodmarks.

Short tricks for speed

  • Force on a moving charge in uniform magnetic and electric fields focus drill

    Solve 15 mixed MCQs for Force on a moving charge in uniform magnetic and electric fields, review every explanation, and note formulas you hesitated on.

  • Dimensional check first

    Before solving, verify each term has consistent SI dimensions — eliminates wrong options quickly in JEE MCQs.

  • Limiting cases

    Substitute extreme values (t→0, m→∞, θ→0) to sanity-check your final expression.

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 πmBq\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 1.5×102T1.5 \times 10^{-2} T with a speed of 6×107m/s.6 \times 10^{7} m / s . If the specific charge on the electron is 1.7×1.7 \times 1011C/kg,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

Are short tricks enough for Force on a moving charge in uniform magnetic and electric fields in JEE?

No — tricks complement concepts. Master the theory first, then use shortcuts in timed MCQ practice.