Concept — The induced EMF equals minus the rate of change of the magnetic flux.
Present in chapters
18
Linked atoms
43 linked atoms.
18 Induzione elettromagnetica
- Alternator: from EMF peak to angular frequency
- Concentric rings with varying flux
- Circulation of E and the Faraday-Neumann-Lenz law
- Bicycle dynamo
- Worked example — loop entering and leaving a field
- EMF from flux B = 10t
- EMF on a moving rod
- s)
- The stationary wire under the magnet
- The fictitious source
- Lenz’s minus sign
- The lying voltmeter
- The alternator and the sinusoidal EMF
- Lenz’s law as an independent principle
- Faraday’s resolution
- Magnet falling into a copper tube
- Problem — Earth’s field and a train window
- Problem — E(t) for a moving loop
- Problem — EMF from a field B linear in time
- Problem — Induced EMF over time (graph)
- Problem — The induction cooker
- Problem — The AM antenna at home
- Problem — The electric guitar
- Problem — Ranking the EMF of four square loops
- Problem — Loop entering a field (qualitative)
- Problem — Transformers in direct current
- Problem — True or false on induction (1)
- When the electric field stops being conservative
- Ranking the rate of change of flux
- Ranking EMF from varying flux
- Rod on rails: EMF and force
- Without Lenz’s law
- Estimate of the EMF in the loop of a hand
- Outline for solving an induction problem
- Ideal transformer
- True or false on induction (2)
19 Le equazioni di Maxwell e le onde elettromagnetiche
- Worked example — Varying B field generates a circulation of E
- The transformer
- Displacement current
- The four equations (first, incomplete, version)
- Maxwell’s four equations
- Problem — Ideal transformer