The invention of the incandescent light bulb (1879) and the construction of the first central power station (1881) by

Which direction does the piston travel during the exhaust stroke of a small gas engine?

Material that provides great electrical resistance is called a _________.

Which direction does the piston travel during the compression stroke of a small gas engine?

_____ is the measure of electrical pressure.

Which direction does the piston travel during the power stroke of a small gas engine?

________ is a measure of the rate of flow of electricity in a conductor.

Resistance is the measure of electrical resistance to flow, and the unit of measure is Ohms, symbolized by the Greek letter _____?

_____ are the measure of the amount of energy or work that can be done.