NEET Physics: Electromagnetic Induction — MCQ Test 16

Q6. A rectangular loop of sides 40 cm and 20 cm moves out of a 0.9 T field at 1 m/s perpendicular to the longer side. What is the motional emf?

Q7. A coil of 220 turns rotates at 70 rad/s in a 0.05 T field. If the area is 0.025 m², what is the maximum emf?

Q8. A solenoid of 900 turns/m and area 0.015 m² has \( \mu_r = 2 \). What is its self-inductance? (\( \mu_0 = 4\pi \times 10^{-7} \, \text{H/m} \))

Q9. A square loop of side 18 cm rotates at 10 rad/s in a 0.25 T field. What is the maximum emf induced?

Q10. A circular loop of radius 11 cm is deformed into a straight wire in a 0.2 T field in 0.5 s. What is the induced emf?

NEET Physics — Electromagnetic Induction

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A coil of 90 turns and area 0.03 m² is in a field that increases from 0 to 0.06 T in 0.3 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 Increases, Magnetic, Strength, Solenoid, Inductance, and Decreased.

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 90 turns and area 0.03 m² is in a field that increases from 0 to 0.06 T in 0.3 s. What is the induced emf?

  • A. 0.4 V
  • B. 0.5 V
  • C. 0.54 V
  • D. 0.6 V

Q2. A coil is placed in a magnetic field that increases in strength. The energy stored in the coil’s magnetic field comes from what source?

  • A. Magnetic field itself
  • B. Thermal energy of the coil
  • C. Electrostatic potential
  • D. Work done by an external source

Q3. A solenoid of 250 turns and length 0.8 m induces an emf of 0.75 V in a nearby coil when its current changes from 0 to 2.5 A in 0.25 s. What is the mutual inductance?

  • A. 0.075 H
  • B. 0.09 H
  • C. 0.1 H
  • D. 0.12 H

Q4. A coil of self-inductance 0.8 H has its current decreased from 6 A to 3 A in 0.2 s. What is the magnitude of the induced emf?

  • A. 10 V
  • B. 12 V
  • C. 14 V
  • D. 16 V

Q5. A loop of 0.45 m × 0.2 m moves out of a 0.6 T field at 1.5 m/s along its longer side. How long does the emf last?

  • A. 0.1 s
  • B. 0.12 s
  • C. 0.13 s
  • D. 0.15 s

+ 5 more questions in the actual test

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