Some Light Circuits Are Ground Controlled, Where the Lightbulb Has

question 27

True/False

Some light circuits are ground controlled, where the lightbulb has power all the time and the light switch completes the circuit to ground.

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Definitions:

Iris

The colored part of the eye that surrounds the pupil and controls the amount of light entering the eye by adjusting the size of the pupil.

Ganglion Cells

Type of neurons found in the retina that receive visual information from photoreceptors via intermediate bipolar cells and transmit it to the brain.

Optic Nerve

An optic nerve that carries sight data from the retina directly to the brain.

Blind Spot

A region in the visual field that lacks light-detecting photoreceptor cells, resulting in an area with no vision.