BITSAT Physics Electromagnetic Induction MCQs

Practice BITSAT Physics Electromagnetic Induction MCQs provided below. The MCQ Questions for Full Syllabus Electromagnetic Induction Physics with answers and follow the latest BITSAT/ NCERT and KVS patterns. Refer to more Chapter-wise MCQs for BITSAT Full Syllabus Physics and also download more latest study material for all subjects

MCQ for Full Syllabus Physics Electromagnetic Induction

Full Syllabus Physics students should review the 50 questions and answers to strengthen understanding of core concepts in Electromagnetic Induction

Electromagnetic Induction MCQ Questions Full Syllabus Physics with Answers

 

Question: A coil is suspended in a uniform magnetic field, with the plane of the coil parallel to the magnetic lines of force. When a current is passed through the coil it starts oscillating; It is very difficult to stop. But if an aluminium plate is placed near to the coil, it stops. This is due to :

  • a) Developement of air current when the plate is placed
  • b) Induction of electrical charge on the plate
  • c) Shielding of magnetic lines of force as aluminium is a paramagnetic material.
  • d) Electromagnetic induction in the aluminium plate giving rise to electromagnetic damping.

Answer: Electromagnetic induction in the aluminium plate giving rise to electromagnetic damping.


Question: A conducting circular loop is placed in a uniform magnetic field of 0.04 T with its plane perpendicular to the magnetic field. The radius of the loop starts shrinking at 2 mm/s. The induced emf in the loop when the radius is 2 cm is

  • a) 4.8 π μV
  • b) 0.8 π μV
  • c) 1.6 π μV
  • d) 3.2 π μV

Answer: 3.2 π μV

 

Question: A conducting square loop is placed in a magnetic field B with its plane perpendicular to the field. The sides of the loop start shrinking at a constant rate a. The induced emf in the loop at  an instant when its side is ‘a’ is

  • a) 2aαB
  • b) aB
  • c) 2aB
  • d) aαB

Answer: 2aαB

 

Question:  A coil 10 turns and a resistance of 20Ω is connected in series with B.G. of resistance 30Ω. The coil is placed with its plane perpendicular to the direction of a uniform magnetic field of induction 10–2 T. If it is now turned through an angle of 60° about an axis in its plane. Find the charge induced in the coil. (Area of a coil = 10–2 m²)

  • a) 2 × 10–5 C
  • b) 3.2 × 10–5 C
  • c) 1 × 10–5 C
  • d)  5.5 × 10–5 C

Answer: 1 × 10–5 C

 

Question: When current in a coil changes from 5 A to 2 A in 0.1 s, average voltage of 50 V is produced The self - inductance of the coil is :

  • a) 6 H
  • b) 0.67 H
  • c) 3 H
  • d) 1.67 H

Answer: 1.67 H


Question: Eddy currents are produced when

  • a) A metal is kept in varying magnetic field
  • b) A metal is kept in steady magnetic field
  • c) A circular coil is placed in a magnetic field
  • d) Through a circular coil, current is passed

Answer: A metal is kept in varying magnetic field


Question: Two coaxial solenoids are made by winding thin insulated wire over a pipe of cross-sectional area A = 10 cm2 and length = 20 cm. If one of the solenoid has 300 turns and the other 400 turns, their mutual inductance is (μμ = 4π × 10 –7  Tm A–1)

  • a) 2.4π × 10–5 H
  • b) 4.8π × 10–4 H
  • c) 4.8π × 10–5 H
  • d) 2.4π × 10–4 H

Answer: 2.4π × 10–4 H

 

Question: The laws of electromagnetic induction have been used in the construction of a

  • a) Galvanometer
  • b) Voltmeter
  • c) Electric motor
  • d) Generator

Answer: Voltmeter


Question: A metal rod of length 1 m is rotated about one of its ends in a plane right angles to a field of inductance 2.5 × 10–3 Wb/m². If it makes 1800 revolutions/ min. Calculate induced e.m.f. between its ends.

  • a) 2.471 V
  • b) 3.171 V
  • c) 0.471 V
  • d) 1.771 V

Answer: 0.471 V


Question: The back emf induced in a coil, when current changes from 1 ampere to zero in one millisecond, is 4 volts, the self inductance of the coil is

  • a) 1 henry
  • b) 4 henry
  • c) 10–3 henry
  • d) 4 × 10–3 henry

Answer: 4 × 10–3 henry

  

Question: Two solenoids of same cross-sectional area have their lengths and number of turns in ratio of 1 : 2. The ratio of self-inductance of two solenoids is

  • a) 1 : 1
  • b) 1 : 2
  • c) 2 : 1
  • d) 1 : 4

Answer: 1 : 2


Question: Lenz’s law is a consequence of the law of conservation of

  • a) Charge
  • b) Mass
  • c) Energy
  • d) Momentum

Answer: Energy


Question: A 100 millihenry coil carries a current of 1 ampere. Energy stored in its magnetic field is

  • a) 0.5 J
  • b) 1 J
  • c) 0.05 J
  • d) 0.1 J

Answer: 0.05 J


Question: A generator has an e.m.f. of 440 Volt and internal resistance of 4000 hm. Its terminals are connected to a load of 4000 ohm. The voltage across the load is

  • a) 220 volt
  • b) 440 volt
  • c) 200 volt
  • d) 400 volt

Answer: 400 volt


Question: A coil having number of turns N and cross-sectional area A is rotated in a uniform magnetic field B with an angular velocity ω. The maximum value of the emf induced in it is –

  • a)

    BITSAT Physics Electromagnetic Induction 1

  • b) NBAω
  • c)

    BITSAT Physics Electromagnetic Induction 2

  • d) BAw2

Answer: NBAω

 

Question: A coil of resistance 400Ω is placed in a magnetic field. If the magnetic fluxΦ (wb) linked with the coil varies with time t (sec) as Φ = 50t2 + 4. The current in the coil at t = 2 sec is

  • a) 0.5 A
  • b) 0.1 A
  • c) 2 A
  • d) 1 A

Answer: 0.5 A


Question: The loop shown moves with a velocity v in a uniform magnetic field of magnitude B, directed into the paper. The potential difference between P and Q is e.Then :

BITSAT Physics Electromagnetic Induction 4

  • a)

    BITSAT Physics Electromagnetic Induction 3

  • b) e = Blv
  • c) P is negative with respect to Q
  • d) Q is positive with respect to P.

Answer:

BITSAT Physics Electromagnetic Induction 3

 

Question: Eddy currents are produced when

  • a) A metal is kept in varying magnetic field
  • b) A metal is kept in steady magnetic field
  • c) A circular coil is placed in a magnetic field
  • d) Through a circular coil, current is passed

Answer: A metal is kept in varying magnetic field


Question: A 100 millihenry coil carries a current of 1 ampere. Energy stored in its magnetic field is

  • a) 0.5 J
  • b) 1 J
  • c) 0.05 J
  • d) 0.1 J

Answer: 0.05 J


Question: Lenz’s law is a consequence of the law of conservation of

  • a) Charge
  • b) Mass
  • c) Energy
  • d) Momentum

Answer: Energy

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MCQs for Electromagnetic Induction Physics Full Syllabus

Students can use these MCQs for Electromagnetic Induction to quickly test their knowledge of the chapter. These multiple-choice questions have been designed as per the latest syllabus for Full Syllabus Physics released by BITSAT. Our expert teachers suggest that you should practice daily and solving these objective questions of Electromagnetic Induction to understand the important concepts and better marks in your school tests.

Electromagnetic Induction NCERT Based Objective Questions

Our expert teachers have designed these Physics MCQs based on the official NCERT book for Full Syllabus. We have identified all questions from the most important topics that are always asked in exams. After solving these, please compare your choices with our provided answers. For better understanding of Electromagnetic Induction, you should also refer to our NCERT solutions for Full Syllabus Physics created by our team.

Online Practice and Revision for Electromagnetic Induction Physics

To prepare for your exams you should also take the Full Syllabus Physics MCQ Test for this chapter on our website. This will help you improve your speed and accuracy and its also free for you. Regular revision of these Physics topics will make you an expert in all important chapters of your course.

Where can I access latest BITSAT Physics Electromagnetic Induction MCQs?

You can get most exhaustive BITSAT Physics Electromagnetic Induction MCQs for free on StudiesToday.com. These MCQs for Full Syllabus Physics are updated for the 2025-26 academic session as per BITSAT examination standards.

Are Assertion-Reasoning and Case-Study MCQs included in the Physics Full Syllabus material?

Yes, our BITSAT Physics Electromagnetic Induction MCQs include the latest type of questions, such as Assertion-Reasoning and Case-based MCQs. 50% of the BITSAT paper is now competency-based.

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By solving our BITSAT Physics Electromagnetic Induction MCQs, Full Syllabus students can improve their accuracy and speed which is important as objective questions provide a chance to secure 100% marks in the Physics.

Do you provide answers and explanations for BITSAT Physics Electromagnetic Induction MCQs?

Yes, Physics MCQs for Full Syllabus have answer key and brief explanations to help students understand logic behind the correct option as its important for 2026 competency-focused BITSAT exams.

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