Asked by sam
In a device known as a ______ electrons are emitted when light shines on a metal surface?
a difference in charge is called a ____
I am so stuck on these last two
a difference in charge is called a ____
I am so stuck on these last two
Answers
Answered by
drwls
(1) photocell or photomultiplier
(2) The word they are probably after is "voltage", but that is really a measurement of electric potential. There is a voltage difference between two points if one point is "positive" and the other is "negative".
(2) The word they are probably after is "voltage", but that is really a measurement of electric potential. There is a voltage difference between two points if one point is "positive" and the other is "negative".
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