Kirchhoff's Rules: In the circuit shown in the figure, R1 = R2 = 90.0 ?, R3 = R4 = 20.0 ?, V1 = 7.0 V, V2 = 8.0 V, and the batteries are both ideal. What current does the ammeter read?
A. 0.40 A
B. 0.050 A
C. 0.83 A
D. 0.056 A
Answer: A
Physics & Space Science
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