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Somewhere in a circuit is a resistor. A ...

Somewhere in a circuit is a resistor. A constant current is flowing in the direction as indicated in the following figure. In going from A to B, we measure `underset(A)overset(B)int vecE.d barl` What do we find?

A

A positive value

B

A negative value

C

Zero

D

We do not have enough information to answer

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The correct Answer is:
A
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