Concept — Fundamental property responsible for electric interactions.
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13
Linked atoms
24 linked atoms.
13 Coulomb’s force and electrostatics
- Electric charge
- Coulomb’s law
- Problem — Given V, find q
- Problem — Fantaphysics: all charges positive
- Problem — Water jet deflected by a rod
- Problem — The comb and the paper
- Problem — Electrostatic induction on a metal sphere
- Problem — Induction on a small metal sphere
- Problem — Quantisation of charge
- Problem — True or false on charge and field
- Problem — True or false on charges and conductors
14 Electric field and potential
- Field of a point charge at 9 cm
- Field on the axis of a ring
- Capacitance and charge of a capacitor
- What is the electric field?
- From the graph to the sign of the charges
- From the potential to the charge
- Drill: potential at the midpoint
- Two connected conducting spheres
- Fantaphysics — protons with double mass
- Potential of a 10 nC charge
- Potential of a point charge at 1 m
- Ranking potentials
- Sign of the charge from the field lines