Electric Charges and Fields

CBSE Class 12 · Physics · 14 past questions

1. Q1 2026

   A particle of mass m and charge q starts from rest and moves in an electric field $\vec{E} = E_0\hat{i}$.…

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2. Q2 2026

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3. Q3 2025

   A body acquires charge $8.0 \times 10^{-12}$ C. The mass of the body…

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4. Q4 2025

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5. Q5 2025

   Two charges –q each are placed at the vertices A and B of an equilateral triangle ABC. If M is the mid-point…

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6. Q6 2025

   Which one of the following statements is correct ?…

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7. Q7 2024

   A thin plastic rod is bent into a circular ring of radius R. It is uniformly charged with charge density…

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8. Q8 2024

   A cube of side 0.1 m is placed, as shown in the figure, in a region where electric field… (with a figure)

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9. Q9 2024

   Two charged particles P and Q, having the same charge but different masses $m_P$ and $m_Q$, start from rest…

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10. Q10 2023

    The magnitude of the electric field due to a point charge object at a distance of 4.0 m is 9 N/C. From the…

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11. Q11 2023

    An electron experiences a force $(1.6 \times 10^{-16}\ \text{N})\,\hat{i}$ in an electric field $\vec{E}$.…

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12. Q12 2023

    Which one of the following is *not* a scalar quantity ?

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13. Q13 2023

    A beam of electrons moving horizontally with a velocity of $3\times10^{7}$ m/s enters a region between two… (with a figure)

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14. Q14 2023

    A point charge situated at a distance 'r' from a short electric dipole on its axis, experiences a force…

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