SAT Subject Physics Practice Question 458: Answer and Explanation

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Question: 458


The electrical circuit shown has 1 ampere of current flowing in it. Answer the questions about the parts of the circuit listed between the points below by choosing the letter that correctly represents the quantity in question.

Between which two points is the voltage change the largest?

A. Between points A→B
B. Between points B→C
C. Between points C→D
D. Between points D→E
E. Between points E→A

Correct Answer: E


The correct answer is (E). The largest voltage change occurs between E to A because there is an increase of 12V in the circuit.

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