NEET Physics: Electromagnetic Induction — MCQ Test 18

Q6. A coil of 200 turns is placed in a field that decreases from 0.05 T to 0 in 0.4 s. If the area is 0.02 m², what is the induced emf?

Q7. A solenoid of 600 turns and length 0.8 m induces an emf of 2 V in a nearby coil when its current changes from 1 A to 4 A in 0.2 s. What is the mutual inductance?

Q8. A conducting loop is twisted in a uniform magnetic field. The induced emf arises primarily from what change?

Q9. A wheel with 6 spokes of 0.6 m each rotates at 45 rpm in a 0.5 T field. What is the induced emf?

Q10. A loop of 0.3 m × 0.12 m moves out of a 0.4 T field at 2 m/s along its longer side. How long does the emf last?

NEET Physics — Electromagnetic Induction

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A coil of 50 turns has an area of 0.03 m² in a 0.2 T field. If the field drops to zero in 0.1 s, what is the induced emf?

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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 Carrying, Suddenly, Switched, Magnetic, Perpendicular, and Decreases.

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 of 50 turns has an area of 0.03 m² in a 0.2 T field. If the field drops to zero in 0.1 s, what is the induced emf?

  • A. 1.5 V
  • B. 2 V
  • C. 3 V
  • D. 4 V

Q2. A coil is placed near a current-carrying wire. If the current in the wire is suddenly switched off, what happens to the magnetic flux through the coil?

  • A. Increases
  • B. Decreases
  • C. Remains constant
  • D. Becomes infinite

Q3. A rod rotates at 25 rad/s in a 0.3 T field. If the length from the axis to the tip is 0.8 m, what is the emf induced?

  • A. 2.0 V
  • B. 2.2 V
  • C. 2.4 V
  • D. 2.6 V

Q4. A rod of length 0.6 m moves at 2.5 m/s in a 0.25 T field perpendicular to its length. What is the induced emf?

  • A. 0.375 V
  • B. 0.4 V
  • C. 0.45 V
  • D. 0.5 V

Q5. A coil of 150 turns and area 0.01 m² is rotated at 40 Hz in a 0.06 T field. What is the maximum emf?

  • A. 20 V
  • B. 21 V
  • C. 22 V
  • D. 22.62 V

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