Concept — Dissipation of electrical energy as heat in a resistor.
Present in chapters
15
Linked atoms
30 linked atoms.
15 Circuiti elettrici
- Joule effect
- Energy and power in circuits
- Worked example — resistor used as a heater
- Power dissipated by resistors
- Problem — voltage drop in a copper cable
- Problem — electric boiler
- Problem — long wires and thick wires
- Problem — fuses and the Joule effect
- Problem — heating resistor
- Problem — network with tenfold voltage
- Problem — underpowered heater
- Problem — boiling time of a kettle
17 Il campo magnetico
18 Induzione elettromagnetica
- Energy balance of the RLC circuit
- Eddy currents
- Bicycle dynamo
- Worked example — Waltenhofen’s disc
- Worked example — magnet in a tube, terminal velocity
- Worked example — driven RLC, finding the generator’s EMF
- Worked example — loop entering and leaving a field
- Problem — The induction furnace
- Problem — The magnet in the copper tube
- Problem — Damped magnetic pendulum
- Problem — Loop entering a field (qualitative)
- When eddy currents are an enemy
- Rod on rails: EMF and force
- Three industrial applications
- Problem — Copper tube and plastic tube