- "Doc, I keep having these alternating recurring dreams. First I'm a tepee; then I'm a wigwam; then I'm a tepee; then I'm a wigwam. It's driving me crazy. What's wrong with me?"
- Doctor: "It's very simple. You're two tents."
Three ways of changing magnetic flux. Rotating frame in a stationary magnetic field.
Converting mechanical energy into electric. Electric generators.
Electric motor - converts electric energy into mechanical energy.
Sinusoidal nature of EMF and current generated by electric generators.
Alternating current. Root mean square voltage and current. Power in AC-circuit.
Resistors and capacitors in AC circuits.
Transformers. Using transformers in transmitting electric power.
Mutual Inductance. Self Inductance.
Energy stored in magnetic field.