A Flashlight Bulb Typically Has a Small Metallic Button at One

question 24

Multiple Choice

A flashlight bulb typically has a small metallic button at one end, and this button is surrounded by ceramic material. The chief purpose of the ceramic material is to

• A) provide a conducting path to the filament.
• B) shut the filament off if the current gets too high.
• C) provide extra mass at the bottom of the bulb.
• D) insulate the metal button from the other contact point.

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Definitions:

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