The subsequent problems deal with the circuit below where all voltage sources are dc and the circuit is assumed to be in steady state. Also, R1 = R2 = R3 = R4 = R.If source V3 is replaced by an open circuit, I3 is

A. V2 / R4
B. (V1 ? V2) / R4
C. (V1 ? V2) / (R4 + R5)
D. 0
E. (V1 + V2) / R4


Answer: D

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The subsequent problems deal with the circuit below:Note: Each question is independent and doesn't depend on results from previous questions. The only values known initially are the values provided in each question.If X=0 and R=1, and then X changes to 1, Z will be

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What must be removed if the automatic transmission is not being removed with the engine?

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