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Electrostatics Basics
NEET Physics • 10 questions • Free on ExamBattle
Practice Questions
Q1
Coulomb's law states that force between two charges q₁ and q₂ separated by distance r is:
- A. F = kq₁q₂/r
- B. F = kq₁q₂/r²
- C. F = kq₁q₂·r
- D. F = k(q₁+q₂)/r²
Q2
The SI unit of electric charge is:
- A. Ampere
- B. Coulomb
- C. Volt
- D. Farad
Q3
Electric field lines originate from:
- A. Negative charges
- B. Positive charges
- C. Neutral bodies
- D. Conductors only
Q4
The work done in moving a charge in an equipotential surface is:
- A. Maximum
- B. Zero
- C. Minimum
- D. Depends on charge
Q5
The capacitance of a parallel plate capacitor increases when:
- A. Distance between plates increases
- B. A dielectric is inserted between plates
- C. Charge on plates decreases
- D. Plate area decreases
Q6
Electric potential at a distance r from charge q is:
- A. kq/r²
- B. kq/r
- C. kq·r
- D. kq·r²
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