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Emi Questions

Practice 19 Emi questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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19
Total Questions
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5
Easy
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13
Medium
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1
Hard
Practice by Exam:Physics(18)Mathematics(1)

About EMI — practice questions, PYQs & concepts

EMI is a frequently-tested topic on Physics, Mathematics. ExamTest.live currently lists 19 EMI 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.

EMI weight in competitive exams

Across our EMI question bank, the largest sources are Physics (18) and Mathematics (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 5 easy EMI questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Emi Questions(1–19 of 19)

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Q1easymcqPhysicsNEET 20192026
0% accuracy
In which of the following devices, the eddy current effect is not used?
Q2mediummcqMathematicsMathematics Mock Test - 42026
100% accuracy
Mrs. Shivani takes a loan of with a annual rate of interest for 5 years. The EMI under the flat rate system is:
Q3mediummcqPhysicsNEET 20192026
0% accuracy
A turn coil of effective area is kept perpendicular to a magnetic field . When the plane of the coil is rotated by around any of its coplanar axis in , the emf induced in the coil will be:
Q4mediummcqPhysicsNEET 20172026
Figure shows a circuit contains three identical resistors with resistance each, two identical inductors with inductance each, and an ideal battery with emf . The current ' ' through the battery just after the switch closed is:
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Q5hardmcqPhysicsNEET 20172026
A long solenoid of diameter has turns per meter. At the centre of the solenoid, a coil of turns and radius is placed with its axis coinciding with the solenoid axis. The current in the solenoid reduces at a constant rate to from in . If the resistance of the coil is , the total charge flowing through the coil during this time is:
Q6mediummcqPhysicsNEET 20222026
A square loop of side and resistance is placed in a magnetic field of . If the plane of loop is perpendicular to the direction of magnetic field, the magnetic flux through the loop is:
Q7mediummcqPhysicsNEET 20222026
A big circular coil of and average radius is rotating about its horizontal diameter at . If the vertical component of earth’s magnetic field at that place is and electrical resistance of the coil is , then the maximum induced current in the coil will be:
Q8easymcqPhysicsNEET 20232026
A lamp is connected to the secondary of a step-down transformer, whose primary is connected to AC mains of . Assuming the transformer to be ideal, what is the current in the primary winding?
Q9mediummcqPhysicsNEET (UG) 20242026
In the diagrams below, a strong bar magnet is moving towards solenoid-2 from solenoid-1 with velocity . The magnet is oriented with its North pole (N) facing solenoid-2 and South pole (S) facing solenoid-1. The direction of induced current in solenoid-1 and that in solenoid-2, respectively, are through the directions:
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Q10mediummcqPhysicsFIITJEE AIEEE 2011 (Set Q)2026
A boat is moving due east in a region where the earth's magnetic field is due north and horizontal. The boat carries a vertical aerial long. If the speed of the boat is , the magnitude of the induced emf in the wire of aerial is:
Q11mediummcqPhysicsJEE 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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Q12mediummcqPhysicsJEE 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:
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Q13mediummcqPhysicsPhysics
0% accuracy
The current in a coil varies with time as shown in the figure. The variation of induced emf with time would be:
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Q14mediummcqPhysicsPhysics
The current () in the inductance is varying with time according to the plot shown. Which one is the correct variation of voltage with time in the coil?
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Q15easymcqPhysicsPhysics
A wire loop is rotated in a magnetic field. The frequency of change of direction of the induced e.m.f. is:
Q16mediummcqPhysicsPhysics
A thin semicircular conducting ring () of radius ' ' is falling with its plane vertical in a horizontal magnetic field . The potential difference developed across the ring when its speed is , is:
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Q17easymcqPhysicsPhysics
A long solenoid has 1000 turns. When a current of flows through it the magnetic flux linked with each turn of the solenoid is . The self-inductance of the solenoid is:
Q18easymcqPhysicsPhysics
A coil of resistance is placed in a magnetic field. If the magnetic flux (Wb) linked with the coil varies with time (s) as , the current in the coil at is:
Q19mediummcqPhysicsPhysics
In a coil of resistance , the induced current varies with time as a triangle (peak at , zero at ). The change in flux is:
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Frequently Asked Questions

How many Emi questions are on ExamTest.live?▼
We have 19 Emi questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Emi MCQs free?▼
Yes. All Emi questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Emi questions?▼
Emi questions are commonly asked in Physics, Mathematics. You can filter by exam using the links above.
How do I practice Emi 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.