Magnetism and Matter

Bihar Board Class 12 · Physics · 30 past questions

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1. Q9 2024 Set A

   The value of magnetic potential at a distance $r$ from a pole strength $m$ is

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2. Q10 2024 Set A

   The energy density of magnetic field $\vec{B}$ is

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3. Q13 2022 Set I

   Work done in the deflection of a magnet in a uniform magnetic field is

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4. Q16 2022 Set I

   Expression for the time-period of a magnet oscillating in a uniform magnetic field is

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5. Q17 2022 Set I

   Which of the following relations is correct for earth's magnetic field ($B_H$) and frequency of magnetic…

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6. Q26 2019

   In earth's magnetic field $B_H$, if the frequency of oscillation of a magnetic needle is n, then

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