Explain When Three-Way Switches Are Used in a Residential Lighting

question 4

Essay

Explain when three-way switches are used in a residential lighting circuit.

---

Definitions:

Phospholipid

A lipid with two (hydrophobic) fatty acid tails and a (hydrophilic) phosphate group in its head; main constituent of lipid bilayers that form cell membranes.

Aqueous

Aqueous describes something that is related to, composed of, or dissolved in water.

Scanning Electron Micrograph

An image produced using a scanning electron microscope to examine surfaces of materials at high magnification.

Transmission Electron Micrograph

An image produced using a transmission electron microscope to explore the minute structures within cells and tissues.