NEET Physics: Electromagnetic Induction — MCQ Test 20

Q6. A coil of 320 turns rotates at 65 rad/s in a 0.08 T field. If the area is 0.015 m², what is the maximum emf?

Q7. A solenoid of 350 turns and length 0.7 m induces an emf of 1.2 V in a nearby coil when its current changes from 1 A to 4 A in 0.3 s. What is the mutual inductance?

Q8. A coil of 40 turns experiences a magnetic flux change from 0 to 0.01 Wb in 0.05 s. What is the induced emf?

Q9. A wheel with 9 spokes of 0.5 m each rotates at 55 rpm in a 0.6 T field. What is the induced emf?

Q10. A circular loop of radius 14 cm is deformed into a straight wire in a 0.15 T field in 0.5 s. What is the induced emf?

NEET PhysicsElectromagnetic Induction

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A coil with \( L = 0.1 \, \text{H} \) has its current increased from 0 to 4 A in 0.2 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, Inductance, Magnitude, Conducting, Magnetic, and Parallel.

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 \( L = 0.1 \, \text{H} \) has its current increased from 0 to 4 A in 0.2 s. What is the energy stored?

  • A. 0.4 J
  • B. 0.6 J
  • C. 0.8 J
  • D. 1.0 J

Q2. A coil of self-inductance 0.5 H has its current increased from 1 A to 4 A in 0.25 s. What is the magnitude of the induced emf?

  • A. 4 V
  • B. 6 V
  • C. 8 V
  • D. 10 V

Q3. A coil of 260 turns rotates at 75 rad/s in a 0.05 T field. If the area is 0.018 m², what is the maximum emf?

  • A. 16 V
  • B. 16.5 V
  • C. 17 V
  • D. 17.55 V

Q4. A conducting disc rotates in a uniform magnetic field parallel to its axis. The induced emf between the center and rim arises due to what?

  • A. Change in field direction
  • B. Electrostatic induction
  • C. Magnetic force on charges
  • D. Thermal expansion

Q5. A conducting rod is stationary in a varying magnetic field. The induced emf in the rod arises due to which component of the force on its charges?

  • A. Magnetic force only
  • B. Electric field due to changing magnetic field
  • C. Gravitational force
  • D. Frictional force

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