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Posted by on Wednesday, February 20, 2013 at 10:32pm.

the total potential difference from point A to point B in a circuit is +5 V. The total potential difference from point A to point C in a circuit is -16 V. What must be the potential difference from point B to point C?

  • physics - , Thursday, February 21, 2013 at 1:08pm

    A - B = +5

    A - C = -16

    Do between B-C we must have -21

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