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Class XII Physics Quiz: Electric Charges and Fields

Class XII
Physics
Electric Charges and Fields
14 questions
HARD

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Preview questions

1. What is the SI unit of electric charge?

Coulomb · Ampere · Volt · Ohm

2. Which of the following particles carries a positive charge?

Electron · Proton · Neutron · Photon

3. Coulomb's law describes the force between two point charges. What is the nature of this force?

Attractive only · Repulsive only · Both attractive and repulsive · None of the above

4. The electric field due to a positive point charge is directed:

Towards the charge · Away from the charge · Perpendicular to the charge · In a circular path

5. What is the formula for the electric field (E) due to a point charge (Q) at a distance (r)?

E = kQ/r^2 · E = kQ/r · E = Q/4πε₀r^2 · E = Q/r^2