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OpenStudy (anonymous):
To Compare the emfs of two cells using potentiometer. 1) what is a suitable hypothesis for this? thanks! will give medal :)
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OpenStudy (anonymous):
@bahrom7893 @Directrix @Mertsj help please! i just need a hypothesis !
OpenStudy (anonymous):
do u know how a potentiometer works? or what a potentiometer is ? and why can't u just use a voltmeter to measure the emf of a cell?
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