NEET Physics: Electromagnetic Induction — MCQ Test 3

Q6. A circular loop of radius 18 cm is deformed into a straight wire in a 0.14 T field in 0.7 s. What is the induced emf?

Q7. A coil of 160 turns and area 0.025 m² is rotated at 20 Hz in a 0.09 T field. What is the maximum emf?

Q8. A rectangular loop of 0.2 m × 0.35 m moves out of a 0.4 T field at 0.8 m/s along its shorter side. What is the emf?

Q9. A rod of length 0.7 m moves at 2 m/s in a 0.3 T field perpendicular to its length. What is the induced emf?

Q10. A coil connected to a DC source shows a slow rise in current when switched on. This delay is primarily due to what effect?

NEET Physics — Electromagnetic Induction

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A coil with \( L = 0.45 \, \text{H} \) has its current increased from 0 to 8 A in 0.8 s. What is the energy stored?

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About this NEET MCQ Test

This page provides a free online MCQ test for NEET Physics preparation, focusing specifically on the chapter Electromagnetic Induction. It contains 10 carefully selected multiple-choice questions (MCQs) designed to test your conceptual understanding and exam readiness.

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Key concepts covered in this specific test include Increased, Conducting, Magnetic, Direction, Determined, and Phenomenon.

Taking these timed MCQ tests helps you simulate the real NEET exam environment. Detailed step-by-step explanations are provided for every question to help you learn from your mistakes and strengthen your fundamentals.

Preview of Questions in this Test

Q1. A coil with \( L = 0.45 \, \text{H} \) has its current increased from 0 to 8 A in 0.8 s. What is the energy stored?

  • A. 13 V
  • B. 13.5 V
  • C. 14 V
  • D. 14.4 V

Q2. A conducting loop is moved into a uniform magnetic field region. During the entry, the induced current flows in a direction determined by what?

  • A. Faraday’s law
  • B. Lenz’s law
  • C. Ampere’s law
  • D. Gauss’s law

Q3. A loop of 0.25 m × 0.15 m moves out of a 0.2 T field at 1.5 m/s along its longer side. How long does the emf last?

  • A. 0.05 s
  • B. 0.08 s
  • C. 0.1 s
  • D. 0.12 s

Q4. Two coils are placed close to each other. When the current in one coil is changed, an emf is induced in the other. This phenomenon is known as what?

  • A. Mutual induction
  • B. Self-induction
  • C. Electrostatic induction
  • D. Magnetic resonance

Q5. A coil of 110 turns experiences a magnetic flux change from 0 to 0.05 Wb in 0.1 s. What is the induced emf?

  • A. 55 V
  • B. 60 V
  • C. 65 V
  • D. 70 V

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