Concept — Field describing the force per unit charge in a region.
Present in chapters
13·14
Linked atoms
58 linked atoms.
13 Forza di Coulomb ed elettrostatica
- From the torsion balance to Franklin’s lightning
- Worked exercise — Charged particle as a projectile near a charged plane
- Problem — Field at the centre of an equilateral triangle
- Problem — Electric field at 30 cm
- Problem — Electric field of a 5-nanocoulomb charge
- Problem — Conductor in an external field
- Problem — Given E, find r
- Problem — Electric dipole
- Problem — Two charges on a rod
- Problem — Faraday cage
- Problem — Reading a graph: field of a dipole
- Problem — Lightning rod
- Problem — Electric pendulum
- Problem — Ranking electric fields
- Problem — True or false on charge and field
14 Campo elettrico e potenziale
- Field inside a conductor
- Field of three charges in series
- Field of a charged cube
- Field of a point charge at 9 cm
- Field on the axis of a ring
- What is the electric field?
- Conductors in electrostatic equilibrium
- Counting the lines: the field from the density
- From the field to the spherical radius
- From potential to field: the gradient
- Electric energy density
- Problem — Energy density in a thunderstorm
- Problem — Potential difference between cloud and ground
- Problem — Dipole and test charge
- Problem — Dipole in a uniform field
- Drill: distance for a given field
- Two ways to calculate the field
- Equipotentials and field lines perpendicular
- Worked exercise — electric dipole on the axis
- Thought experiment — electrostatics in 2D
- Thought experiment: Coulomb 1 over r cubed
- Is the field a thing or a calculation?
- The electric dipole
- Field lines don’t cross
- Reading field lines
- Field lines: the five rules
- Why invent the field?
- Which graph of E
- Ranking the field for various configurations
- Electrostatic shielding in a car
- Shielding and charge in a hollow conductor
- Sign of the charge from the field lines
- Fermi estimate — energy of a cloud
- Equipotential surfaces
- True or false on field and potential