Electric Charges and Fields

Bihar Board Class 12 · Physics · 53 past questions

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1. Q1 2026 Set A

   Coulomb's law is valid for

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2. Q4 2026 Set A

   When a soap bubble is charged, then its size

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3. Q9 2025 Set D

   The distance between two charges is made half and one of the charges is also halved. The force acting between…

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4. Q14 2024 Set A

   Number of electrons present in 8 coulomb negative charge is

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5. Q18 2023 Set F

   Van de Graaff generator is an electrostatic machine which produces

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6. Q22 2023 Set F

   Quantisation of charge indicates that

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7. Q24 2023 Set F

   The ratio of electric force and gravitational force acting between two charges is in the order of

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8. Q25 2023 Set F

   A charge 'q' placed at the centre on the line joining two charges 'Q' will be in equilibrium if 'q' will be…

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9. Q28 2023 Set F

   The law, governing the force acting between two electric charges known as

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10. Q33 2022 Set I

    The vector form of Coulomb's law is

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11. Q41 2021 Set A

    Which of the following values of $n$ is not possible in relation $Q = ne$ ?

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12. Q48 2018

    When a body is charged, its mass

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13. Q51 2018

    Atmosphere is not electrically neutral. Explain why?

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