Jeeify
MCQEasyJEE Main 2025 · 7 April, Shift 1Types of Magnetic Materials

Physics Question from JEE Main 2025 · 7 April, Shift 1

The percentage increase in magnetic field BB when space within a current-carrying solenoid is filled with magnesium (magnetic susceptibility χmg=1.2×10−5\chi_{mg} = 1.2 \times 10^{-5}) is:

  • A

    65×10−3%\frac{6}{5} \times 10^{-3} \%

  • B

    56×10−5%\frac{5}{6} \times 10^{-5} \%

  • C

    56×10−4%\frac{5}{6} \times 10^{-4} \%

  • D

    53×10−5%\frac{5}{3} \times 10^{-5} \%

Answer & step-by-step solution

Sign in to reveal the correct answer, the full step-by-step solution, and the common mistakes for this question.

Sign in to see the solution

Practice more Types of Magnetic Materials questions

Get unlimited AI-adaptive practice, mastery tracking, and an AI tutor that explains every step - free to start.

Start free trialMore on Types of Magnetic Materials

Related questions