Electrostatic Potential - Equipotential Surfaces, Capacitors
Physics · Grade 12 · Week 5 · 25 questions
In CBSE Grade 12 physics, Electrostatic Potential is a heavyweight chapter dealing with Equipotential Surfaces and Capacitors. For JEE and NEET, this chapter is equally important — conceptual clarity plus quick numerical practice is key.
What you'll practise
- Analyse Equipotential Surfaces
- Derive Capacitors
- Solve CBSE board-pattern problems from electrostatic potential including NCERT exemplar-level questions
All 25 questions in this Electrostatic Potential - Equipotential Surfaces, Capacitors quiz
Grade 12 Physics — Electrostatic Potential - Equipotential Surfaces, Capacitors: 25 practice questions with instant scoring and explanations.
- An equipotential surface is one on which:
- Electric field is always:
- Equipotential surfaces for point charge are:
- Equipotential surfaces for uniform field are:
- Work done in moving a charge on equipotential surface:
- Two equipotential surfaces cannot:
- Capacitor stores:
- Capacitance C = :
- SI unit of capacitance:
- 1 Farad = :
- Capacitance of parallel-plate capacitor (vacuum): C = :
- If plate area doubles, capacitance:
- If plate separation doubles (vacuum), capacitance:
- Energy stored in capacitor: U = :
- Also U = :
- For capacitors in series: 1/C = :
- For capacitors in parallel: C = :
- Series combination of 2 equal capacitors C gives:
- Parallel combination of 2 equal capacitors C gives:
- Dielectric between plates increases capacitance by factor:
- With dielectric K, capacitance = :
- Energy density in electric field: u = :
- Charge on each capacitor in series is:
- Voltage across each capacitor in parallel is:
- In dielectric, E inside material:
Question 1 of 250 correct so far