Repeat Problem 26.7 if the 3.0-A current is flowing from right to left instead of from left

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Repeat Problem 26.7 if the 3.0-A current is flowing from right to left instead of from left to right. Which point is at the higher potential in each case?


Problem 26.7

A current of 3.0 A flows through the wire shown in Fig. 26-2. What will a voltmeter read when connected from 

(a) A to B, 

(b) A to C,

(c) A to D?3.0A A 6.0 22 R 8.0 V Fig. 26-2 3,02 7.0 V + D

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