NEET Physics: Magnetism and Matter — MCQ Test 17

Q6. A solenoid has 500 turns per meter and carries a current of \( 3 \, \text{A} \). What is the magnetic intensity \( H \) inside the solenoid?

Q7. The net magnetic flux through a closed surface surrounding a bar magnet is:

Q8. A bar magnet with \( m = 2.5 \, \text{A m}^2 \) is at \( 0.7 \, \text{m} \) along its axis. What is \( B \)? (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

Q9. The magnetic potential energy of a dipole with \( m = 0.7 \, \text{A m}^2 \) in a field \( B = 0.2 \, \text{T} \) at \( 0^\circ \) is:

Q10. A magnetic dipole of moment \( 0.5 \, \text{A m}^2 \) is in a uniform field of \( 0.3 \, \text{T} \) at \( 60^\circ \). What is the torque on it?

NEET Physics — Magnetism and Matter

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The net magnetic flux through a closed surface surrounding a solenoid is:

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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, Surrounding, Solenoid, Potential, Paramagnetic, and Material.

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. The net magnetic flux through a closed surface surrounding a solenoid is:

  • A. Positive
  • B. Negative
  • C. Depends on solenoid strength
  • D. Zero

Q2. A dipole with \( m = 0.7 \, \text{A m}^2 \) in a field \( B = 0.4 \, \text{T} \) at \( 180^\circ \) has potential energy:

  • A. 0.25 J
  • B. 0.28 J
  • C. 0.30 J
  • D. 0.35 J

Q3. A paramagnetic material has \( \chi = 5 \times 10^{-4} \) and \( H = 2 \times 10^3 \, \text{A m}^{-1} \). What is its magnetization \( M \)?

  • A. 0.5 A m⁻¹
  • B. 1 A m⁻¹
  • C. 1.5 A m⁻¹
  • D. 2 A m⁻¹

Q4. A solenoid with 900 turns per meter and current \( 3 \, \text{A} \) has a core with \( \mu_r = 250 \). What is \( B \) inside? (Take \( \mu_0 = 4\pi \times 10^{-7} \, \text{T m A}^{-1} \)).

  • A. 0.80 T
  • B. 0.85 T
  • C. 0.90 T
  • D. 0.95 T

Q5. A bar magnet’s field strength decreases with distance because:

  • A. The magnet loses its poles
  • B. The field becomes uniform
  • C. The field lines spread out
  • D. The field lines contract

+ 5 more questions in the actual test

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