NEET Physics: Electromagnetic Induction — MCQ Test 11

Q6. A rectangular loop of sides 28 cm and 14 cm moves out of a 0.7 T field at 1.2 m/s perpendicular to the longer side. What is the motional emf?

Q7. A coil of 250 turns rotates at 80 rad/s in a 0.04 T field. If the area is 0.015 m², what is the maximum emf?

Q8. A loop of 0.4 m × 0.18 m moves out of a 0.5 T field at 1.8 m/s along its longer side. How long does the emf last?

Q9. A flat coil is placed in a magnetic field that decreases with time. The direction of the induced current is such that it produces a magnetic field in which direction?

Q10. A coil of 180 turns and area 0.09 m² is in a field that decreases from 0.11 T to 0 in 0.6 s. What is the induced emf?

NEET Physics — Electromagnetic Induction

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A rod rotates at 16 rad/s in a 0.6 T field. If the length from the axis to the tip is 0.5 m, what is the emf induced?

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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 Oscillated, Alternates, Characteristic, Solenoid, Rectangular, and Perpendicular.

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 rod rotates at 16 rad/s in a 0.6 T field. If the length from the axis to the tip is 0.5 m, what is the emf induced?

  • A. 0.8 V
  • B. 1.0 V
  • C. 1.2 V
  • D. 1.4 V

Q2. A coil of 140 turns and area 0.02 m² is rotated at 25 Hz in a 0.07 T field. What is the maximum emf?

  • A. 28 V
  • B. 29 V
  • C. 30 V
  • D. 30.8 V

Q3. A magnet is oscillated near a coil. The induced emf in the coil alternates because of what characteristic of the magnet’s motion?

  • A. Constant speed
  • B. Periodic change in flux direction
  • C. Steady magnetic field
  • D. Random motion

Q4. A rod rotates at 18 rad/s in a 0.4 T field. If the length from the axis to the tip is 0.7 m, what is the emf induced?

  • A. 1.5 V
  • B. 1.6 V
  • C. 1.76 V
  • D. 1.8 V

Q5. A solenoid of 500 turns per meter and area 0.02 m² has a current drop from 6 A to 3 A in 0.25 s. What is the self-induced emf? (\( \mu_0 = 4\pi \times 10^{-7} \, \text{H/m} \))

  • A. 0.06 V
  • B. 0.075 V
  • C. 0.09 V
  • D. 0.1 V

+ 5 more questions in the actual test

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