Electrostatic Potential and Capacitance

CBSE Class 12 · Physics · 13 past questions

1. Q1 2026

   Capacitors are manufactured with certain standard capacitances and working voltages. However, these standard… (with a figure)

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2. Q2 2026

   In a region, the electric potential varies as $V = 10 - 50x$, where V is in volts and $x$ in meters. The…

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3. Q3 2026

   A conducting wire connects two charged metallic spheres A and B of radii $r_1$ and $r_2$ respectively. The…

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4. Q4 2026

   Three point charges 2q, –2q and q are kept at the vertices of an equilateral triangle of side $l$. The…

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5. Q5 2026

   Two metal spheres of radii r_1 and r_2 (> r_1) having charges q_1 and q_2 respectively kept in air, are…

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6. Q6 2025

   A parallel plate capacitor consists of two conducting plates kept generally parallel to each other at a… (with a figure)

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7. Q7 2024

   Consider a group of charges $q_1, q_2, q_3 \ldots$ such that $\Sigma q \neq 0$. Then equipotentials at a…

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8. Q8 2024

   A proton is taken from point $P_1$ to point $P_2$, both located in an electric field. The potentials at…

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9. Q9 2024

   The figure shows four pairs of parallel identical conducting plates, separated by the same distance 2·0 cm… (with a figure)

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10. Q10 2024

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11. Q11 2024

    Ten capacitors, each of capacitance 1 $\mu$F, are connected in parallel to a source of 100 V. The total…

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12. Q12 2023

    A point P lies at a distance $x$ from the mid point of an electric dipole on its axis. The electric potential…

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13. Q13 2023

    Assertion (A) : Work done in moving a charge around a closed path, in an electric field is always zero.…

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