In simple terms, amplitude is how strong or intense a wave is. It's plotted on a graph with time on the x-axis and amplitude ...

Wilkerson teaches the basics of electrical wiring for DIY projects, giving you the skills to tackle home electrical work.

The load is now a boiler. (See Figure 4, page 20.) This wiring diagram shows 120 V coming from L1 of a circuit breaker, through a switch, powering a boiler control and returning through L2, back to ...