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SAT® Subject Test in Physics

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Moderate

Parallel Voltages

SATPHY-2YQKVJ

The circuit diagram below shows a $9.0\ V$ battery in a circuit with three resistors, labeled 1, 2, and 3.

What is the voltage drop across resistor 3?

A

$3.0\ V$

B

$9.0\ V$

C

$27.0\ V$

D

$81.0\ V$

E

It is impossible to determine the voltage drop without knowing the resistance value.