Three resistors connected in series have individual voltages labeled ?V1, ?V2 and ?V3, respectively. Which of the following expresses the value of the total voltage ?VT taken over the three resistors together?
a. ?VT = ?V1 + ?V2 + ?V3
b. ?VT = (1/?V1 + 1/?V2 + 1/?V3)
c. ?VT = ?V1 = ?V2 = ?V3
d. ?VT = (1/?V1 + 1/?V2 + 1/?V3)?1
a
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