Photochromic Lenses Contain

question 47

Multiple Choice

Photochromic lenses contain

• A)only AgCl embedded in the glass.
• B)only CuCl embedded in the glass.
• C)both AgCl and CuCl embedded in the glass.
• D)neither AgCl nor CuCl embedded in the glass.

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Definitions:

Phase Angle

The angular difference in degrees between the peak values of two alternating currents or voltages that have the same frequency but are not in phase.

Stator

The stationary part of an electric machine, such as a motor or generator, that houses the coil windings and does not rotate.

RPM

Stands for revolutions per minute, a unit of rotational speed indicating the number of turns made by an object in one minute.

Torque

The turning force developed by a motor.