The subsequent problems deal with the circuit below where:R1=5k?, R2=10k?, R3=5k?, R4=10k?, R5=10k?, V1=5V, and V2=10V.
The two voltage sources can be replaced by a single voltage source with
A. magnitude 5 V, same polarity as V1.
B. magnitude 15 V, same polarity as V1.
C. magnitude 50 V, same polarity as V2.
D. magnitude 50 V, same polarity as V1.
E. magnitude 5 V, same polarity as V2.
Answer: E
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