NEET Physics: Electromagnetic Induction — MCQ Test 4

Q6. A solenoid of 850 turns/m and area 0.01 m² has \( \mu_r = 1 \). What is its self-inductance? (\( \mu_0 = 4\pi \times 10^{-7} \, \text{H/m} \))

Q7. A rectangular loop of 0.15 m × 0.25 m moves out of a 0.3 T field at 0.8 m/s along its shorter side. What is the emf?

Q8. A circular coil of radius 5 cm and 300 turns rotates at 35 rad/s in a 0.05 T field. What is the maximum emf induced?

Q9. A conducting loop is moved out of a magnetic field region. The induced current flows to oppose what specific change?

Q10. In an AC generator, the emf varies sinusoidally with time. What is the primary reason for this variation?

NEET Physics — Electromagnetic Induction

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A conducting rod slides along parallel rails in a magnetic field perpendicular to its motion. The emf induced in the circuit is classified as what type?

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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 Conducting, Parallel, Magnetic, Perpendicular, Classified, and Solenoid.

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 conducting rod slides along parallel rails in a magnetic field perpendicular to its motion. The emf induced in the circuit is classified as what type?

  • A. Motional emf
  • B. Static emf
  • C. Thermal emf
  • D. Chemical emf

Q2. A solenoid of 950 turns/m and area 0.012 m² has \( \mu_r = 1 \). What is its self-inductance? (\( \mu_0 = 4\pi \times 10^{-7} \, \text{H/m} \))

  • A. 0.01 H
  • B. 0.012 H
  • C. 0.014 H
  • D. 0.016 H

Q3. A wheel with 8 spokes of 0.25 m each rotates at 60 rpm in a 0.5 T field. What is the induced emf?

  • A. 0.05 V
  • B. 0.1 V
  • C. 0.15 V
  • D. 0.2 V

Q4. A loop enters a magnetic field region with its plane perpendicular to the field. The induced current flows to produce a magnetic field opposing what?

  • A. Decrease in flux
  • B. Decrease in loop area
  • C. Increase in flux
  • D. Increase in resistance

Q5. A coil of 90 turns experiences a magnetic flux change from 0 to 0.025 Wb in 0.05 s. What is the induced emf?

  • A. 45 V
  • B. 50 V
  • C. 55 V
  • D. 60 V

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