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Electromagnetism Questions

Practice 26 Electromagnetism questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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26
Total Questions
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4
Easy
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22
Medium
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0
Hard
Practice by Exam:Physics(25)General Awareness(1)

About electromagnetism — practice questions, PYQs & concepts

electromagnetism is a frequently-tested topic on Physics, General Awareness. ExamTest.live currently lists 26 electromagnetism questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

electromagnetism weight in competitive exams

Across our electromagnetism question bank, the largest sources are Physics (25) and General Awareness (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 4 easy electromagnetism questions are available — build fluency before moving up.
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All Electromagnetism Questions(1–26 of 26)

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Q1mediummcqGeneral AwarenessSSC Exam2026
0% accuracy
Using Fleming's right-hand rule, in which direction will the current flow if the direction of magnetic field is towards north and the conductor is moving vertically upward?
Q2mediummcqPhysicsJEE Main2026
In an LCR circuit as shown below both switches are open initially. Now switch is closed, kept open. ( is charge on the capacitor and is capacitive time constant). Which of the following statement is correct?
image
Q3mediummcqPhysicsJEE Main2026
Two short bar magnets of length each have magnetic moments and respectively. They are placed on a horizontal table parallel to each other with their poles pointing towards the South. They have a common magnetic equator and are separated by a distance of . The value of the resultant horizontal magnetic induction at the mid-point of the line joining their centres is close to ():
Q4mediummcqPhysicsJEE Main2026
The magnetic field in a travelling electromagnetic wave has a peak value of . The peak value of electric field strength is:
Q5mediummcqPhysicsJEE Main2026
The characteristic of an LED is:
image
Q6mediummcqPhysicsJEE Main2026
A charge is uniformly distributed over a long rod of length . The electric potential at the point lying at a distance from the end (where are collinear) is:
Q7mediummcqPhysicsJEE Main2026
A circular loop of radius lies parallel to a much bigger circular loop of radius . The centre of the small loop is on the axis of the bigger loop. The distance between their centres is . If a current of flows through the smaller loop, then the flux linked with bigger loop is:
image
Q8mediummcqPhysicsJEE Main2026
Two capacitors and are charged to and respectively. It is found that by connecting them together the potential on each one can be made zero. Then:
Q9mediummcqPhysicsJEE Main2026
Statement- I: Higher the range, greater is the resistance of ammeter.Statement- II: To increase the range of ammeter, additional shunt needs to be used across it.
Q10mediummcqPhysicsJEE Main2026
A metallic rod of length is tied to a string of length and made to rotate with angular speed on a horizontal table with one end of the string fixed. If there is a vertical magnetic field in the region, the e.m.f. induced across the ends of the rod is:
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Q11mediummcqPhysicsJEE Main2026
Two charges, each equal to , are kept at and on the -axis. A particle of mass and charge is placed at the origin. If charge is given a small displacement () along the -axis, the net force acting on the particle is proportional to:
Q12mediummcqPhysicsJEE Main2026
The supply voltage to a room is . The resistance of the lead wires is . A bulb is already switched on. What is the decrease of voltage across the bulb, when a heater is switched on in parallel to the bulb?
Q13mediummcqPhysicsJEE Main2026
A diode detector is used to detect an amplitude modulated wave of modulation by using a condenser of capacity in parallel with a load resistance . Find the maximum modulated frequency which could be detected by it.
Q14mediummcqPhysicsAIEEE2026
A horizontal power line at height carries current from East to West. The magnetic field directly below it on the ground is ():
Q15mediummcqPhysicsAIEEE2026
Two coaxial solenoids are made on a pipe of area and length . If solenoids have and turns, their mutual inductance is ():
Q16easymcqPhysicsPhysics
0% accuracy
As a result of change in the magnetic flux linked to the closed loop shown in the figure, an emf V volt is induced in the loop. The work done (joules) in taking a charge Q coulomb once along the loop is :

image
Q17mediummcqPhysicsPhysics
0% accuracy
As per this diagram a point charge +q is placed at the origin O. Work done in taking another point charge - Q from the point A [co-ordinates (0, a)] to another point B [co-ordinates (a, 0)] along the straight path AB is :

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Q18easymcqPhysicsPhysics
0% accuracy
A very long straight wire carries a current I. At the instant when a charge + Q at point P has velocity , as shown, the force on the charge is :

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Q19mediummcqPhysicsPhysics
0% accuracy
An electron moves in a circular orbit with a uniform speed v. It produces a magnetic field B at the centre of the circle. The radius of the circle is proportional to :
Q20mediummcqPhysicsPhysics
0% accuracy
A coil in the shape of an equilateral triangle of side l is suspended between the pole pieces of a permanent magnet such that is in plane of the coil. If due to a current i in the triangle a torque τ acts on it, the side l of the triangle is :
Q21mediummcqPhysicsPhysics
As a result of change in the magnetic flux linked to the closed loop shown in the figure, an emf V volt is induced in the loop. The work done (joules) in taking a charge Q coulomb once along the loop is :
Q22easymcqPhysicsPhysics
Under the influence of a uniform magnetic field, a charged particle moves with constant speed in a circle of radius . The time period of rotation of the particle:
Q23mediummcqPhysicsPhysics
The magnetic force acting on a charged particle of charge in a magnetic field of acting in direction, when the particle velocity is , is:
Q24easymcqPhysicsPhysics
The velocity of electromagnetic radiation in a medium of permittivity and permeability is given by:
Q25mediummcqPhysicsPhysics
As a result of change in the magnetic flux linked to the closed loop shown in the figure, an emf V volt is induced in the loop. The work done (joules) in taking a charge Q coulomb once along the loop is :
Q26mediummcqPhysicsPhysics
If λ v, λ x andλ m represent the wavelengths of visible light, X-rays and microwaves respectively, then :

Frequently Asked Questions

How many Electromagnetism questions are on ExamTest.live?▼
We have 26 Electromagnetism questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
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Which exams include Electromagnetism questions?▼
Electromagnetism questions are commonly asked in Physics, General Awareness. You can filter by exam using the links above.
How do I practice Electromagnetism questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.