photoresistor

[ fō′tō-rĭ-zĭstər ]

A resistor whose resistance varies as a function of the intensity of light it is exposed to. Also called photocell See also photoelectric.

QUIZZES

ELEMENTARY SCHOOL PUNCTUATION QUIZ

Punctuation marks help make writing easy to read and understand. Some of the most important ones are the period (.), comma (,), question mark (?), and exclamation point (!). How well do you know how to use them? Find out in this quiz!
Question 1 of 10
Which punctuation mark is best for this sentence? "Can I watch a movie __"
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