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Formula Sheet

Electric Potential — Formula Sheet

ICSE · Class 12 · Physics

15 formulas from Electric Potential (ICSE Class 12 Physics) on one page, grouped by topic. Part of the ICSE Class 12 Physics syllabus.

70 questions35 flashcards15 formulas & key relations5 concepts

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15 Entries · 5 Sections

Formulas and Key Relations

1. Electric Potential and Potential Difference

V = W / q0

V_A - V_B = W / q0

1 volt = 1 joule/coulomb

Dimensions of electric potential = [M L^2 T^-3 A^-1]

2. Electron-volt and Energy

1 eV = 1.6 × 10^-19 J

W = q0 (V_A - V_B)

3. Potential Due to Point Charge, Group of Charges, and Potential Gradient

V = (1 / (4π ε0 K)) (q / r)

E = -dV / dr

E = (V1 - V2) / d

1 N/C = 1 V/m

4. Potential Difference in Uniform Field

V_B - V_A = -E d

V_A - V_B = E d

Key relations

The potential due to a point charge q at distance r in a medium of dielectric constant K is V = (1/4πϵ0K)(q/r).

For vacuum or air, K = 1.

Since potential is scalar, the total potential due to several point charges is the algebraic sum of their individual potentials: V = (1/4πϵ0) Σ(qi/ri)

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Frequently Asked Questions

What are the important topics in Electric Potential for ICSE Class 12 Physics?
Key topics in Electric Potential include Electric Potential and Potential Difference, Electron-volt, Potential Due to Point Charges and Group of Charges, Potential Gradient and Relation Between Electric Field and Potential. Study these first, then practise questions on each for the ICSE Class 12 board exam.
How many formulas are in Electric Potential?
This sheet lists 15 formulas from Electric Potential, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Electric Potential for the ICSE Class 12 board exam?
Learn the core ideas first, then work through the 70 practice questions on Electric Potential. Revise definitions regularly and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Electric Potential

All ICSE Class 12 Physics Formula Sheet

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