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» CBSE Physics Electrostatics Expected Questions : Unit I : CBSE Sample Question Papers

CBSE Physics Electrostatics Expected Questions : Unit I

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Very Short Answer Type Questions

Q. 1. Vehicle carrying inflammable material usually have metallic ropes touching the ground during motion. Why ?
Answer :

Q. 2. Name the properties of charge due to which it differs from mass.
Answer :

Q. 3. Compare the gravitational and electrical forces between proton-proton ; proton-electron ; electron-electron.
Answer :

Q. 4. What is the magnitude and unit of En ?
Answer :

Q.5. What is the importance of superposition principle in electrostatics ?
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Q. 6. Is the force of interaction between two point charges affected due to the presence of another charge ?
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Q. 7. A dipole in placed in a uniform electric field, what is the net force and torque acting on it?
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Q.8. What is specific charge of an electron ?
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Q. 9. How many electrons are there in 1 kg of it ?
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Q. 10. Define electric intensity at a point.
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Q. 11. What are the points of difference between electric field due to mono charge and due to a dipole.
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Q. 12. Is the electric field due to a system of charges with net charge zero necessarily zero ?
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Q. 13. A and B are two protons placed in uniform electric field between two parallel plates. Which one will experience greater force ?
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Q-. 14. Write down the formula for Coulomb’s force on the electron in a singly ionised hydrogen molecule.
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Q. 15. What are the dimensions of electric field intensity ?
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