NEET Physics: Electromagnetic Induction — MCQ Test 21

Q6. A coil is wound tightly around a core material. If the current through it changes rapidly, the induced emf opposing this change is an example of which phenomenon?

Q7. A solenoid of 400 turns and length 0.5 m induces an emf of 0.8 V in a nearby coil when its current changes from 2 A to 4 A in 0.2 s. What is the mutual inductance?

Q8. A coil of 130 turns and area 0.08 m² is in a 0.12 T field that drops to zero in 0.4 s. What is the induced emf?

Q9. A coil with \( L = 0.6 \, \text{H} \) has its current increased from 0 to 5 A in 0.5 s. What is the energy stored?

Q10. A solenoid with mutual inductance 0.2 H has a current change of 5 A/s in the primary coil. What is the induced emf in the secondary coil?

NEET Physics — Electromagnetic Induction

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A coil with \( L = 0.3 \, \text{H} \) has its current increased from 0 to 6 A in 0.6 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, Circular, Deformed, Straight, Vertical, and Expected.

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 \( L = 0.3 \, \text{H} \) has its current increased from 0 to 6 A in 0.6 s. What is the energy stored?

  • A. 5 J
  • B. 5.2 J
  • C. 5.3 J
  • D. 5.4 J

Q2. A circular loop of radius 10 cm is deformed into a straight wire in a 0.1 T field. If the flux change occurs in 0.2 s, what is the induced emf?

  • A. 0.01 V
  • B. 0.016 V
  • C. 0.02 V
  • D. 0.025 V

Q3. A magnet is dropped through a vertical copper tube. The magnet’s fall is slower than expected due to what effect?

  • A. Gravitational pull
  • B. Opposing magnetic field due to induced currents
  • C. Frictional force within the tube
  • D. Electrostatic repulsion

Q4. A magnet is moved towards a coil, inducing a current. If the magnet’s speed increases, what happens to the induced current?

  • A. Increases
  • B. Decreases
  • C. Remains unchanged
  • D. Becomes zero

Q5. A circular coil of radius 8 cm and 150 turns rotates at 25 rad/s in a 0.06 T field. What is the maximum emf induced?

  • A. 4.52 V
  • B. 5.0 V
  • C. 5.5 V
  • D. 6.0 V

+ 5 more questions in the actual test

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