In a certain three-branch parallel circuit, R1 has 12 mA through it, R2 has 15 mA through it, and R3 has 25 mA through it. After measuring a total of 27 mA, you can say that
Options
A. R3 is open
B. R1 is open
C. R2 is open
D. the circuit is operating properly
Correct Answer
R3 is open
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