Electric Charges
- Electrostatics: Study of charges at rest.
- SI Unit: Coulomb (C)
- Charge is quantized: \( Q = ne \)
📌 Exam Tip:
Don't forget units in numericals!
Don't forget units in numericals!
Coulomb's Law
Force is proportional to product of charges.
\( F = k \frac{q_1 q_2}{r^2} \)
Where k = 9 x 10^9