AP Physics B Practice Exam

Category - Introductory Physics

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Mr. Jenkins constructed a circuit consisting of a variable source, wires, and a resistor. In order to triple the amount of current, how should he change the voltage of the source?

make the voltage three times larger
make the voltage one-third as great
make the voltage nine times larger
make the voltage one-ninth as great

Explanation

Answer: A - make the voltage three times larger

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