Couple of problems with this one:
1). When it says "the following", that usually means there's a list after the question,
from which you're supposed to choose the correct one. Like what you call a "multiple
choice" question. In order for us to play the game with you, you were supposed to
give us the list of choices, but you didn't.
2). We could be wrong, but we have a hunch that you're going for "voltmeter". If that's
the answer, then the question is poorly worded. The voltmeter shows the difference in
electrical potential between two points, not charge. We also have a hunch that this
question comes from a high school Physics class, and if that's true, then it's a lot more
important to understand the difference between 'charge' and 'potential' than to know
the name of the meter. In other words, this question is more important to you than the
answer to it is, and the question needed to be written better than it was.
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