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Question
A certain sample carries a current of 4 A when the potential difference is 2 V and a current of 10 A when the potential difference is 4 V. This sample:
A) obeys Ohm's law
B) has a resistance of 0.5 
at 2 V
C) has a resistance of 2at 2 V
D) has a resistance of 25 at 2 V
E) does not have a resistance
Answer
This answer is hidden. It contains 1 characters.
Related questions
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