NEET Physics: Magnetism and Matter — MCQ Test 13

Q6. A bar magnet with \( m = 1.2 \, \text{A m}^2 \) produces a field at \( 0.3 \, \text{m} \) on its equatorial line. What is \( B \)? (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

Q7. The magnetic field inside a material becomes zero when:

Q8. A magnetic dipole in a non-uniform field experiences a net force because:

Q9. A dipole with \( m = 0.2 \, \text{A m}^2 \) in \( B = 0.5 \, \text{T} \) at \( 90^\circ \) has torque:

Q10. The magnetic field contribution \( B_m \) due to a material with \( M = 1.2 \times 10^5 \, \text{A m}^{-1} \) is: (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

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A magnetic field line pattern that forms closed loops entirely within a material is most likely observed in:

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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 Magnetism and Matter. 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 Magnetic, Entirely, Material, Observed, Potential, and Produces.

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 magnetic field line pattern that forms closed loops entirely within a material is most likely observed in:

  • A. A bar magnet
  • B. A straight conductor
  • C. A solenoid
  • D. A toroid

Q2. A material has \( B = 0.28 \, \text{T} \) and \( M = 2.0 \times 10^5 \, \text{A m}^{-1} \). What is \( H \)? (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

  • A. 2.1 × 10⁴ A m⁻¹
  • B. 2.28 × 10⁴ A m⁻¹
  • C. 2.4 × 10⁴ A m⁻¹
  • D. 2.5 × 10⁴ A m⁻¹

Q3. The magnetic potential energy of a dipole with \( m = 0.5 \, \text{A m}^2 \) in a field \( B = 0.3 \, \text{T} \) at \( 0^\circ \) is:

  • A. -0.15 J
  • B. -0.18 J
  • C. -0.20 J
  • D. -0.22 J

Q4. A material with \( B = 0.66 \, \text{T} \) and \( H = 4500 \, \text{A m}^{-1} \) has \( M \): (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

  • A. 5.18 × 10⁵ A m⁻¹
  • B. 5.19 × 10⁵ A m⁻¹
  • C. 5.20 × 10⁵ A m⁻¹
  • D. 5.207 × 10⁵ A m⁻¹

Q5. A bar magnet with \( m = 3.5 \, \text{A m}^2 \) is at \( 0.6 \, \text{m} \) along its axis. What is \( B \)? (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

  • A. 3.0 × 10⁻⁶ T
  • B. 3.1 × 10⁻⁶ T
  • C. 3.2 × 10⁻⁶ T
  • D. 3.24 × 10⁻⁶ T

+ 5 more questions in the actual test

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