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OpenStudy (anonymous):
A galvanometer needle measures voltage. What is the principle behind a galvanometer? A. it measures voltage directly B. it measures current directly C. it measures the magnetic field in a circuit D. it measures ohms directly
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OpenStudy (anonymous):
i am not sure what this would be?
OpenStudy (michele_laino):
a galvanometer is an electromagnetic instrument
OpenStudy (anonymous):
so it would be choice C?
OpenStudy (michele_laino):
so I think it measures a magnetic field
OpenStudy (michele_laino):
yes! I think so!
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OpenStudy (anonymous):
yay! thanks so much!!:)
OpenStudy (michele_laino):
:)
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