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Imagine four resistors: R1=600 ohms, R2=600 ohms, R3=300 ohms, R4=300 ohms. R1, R2, and R3 are connected together in a parallel plane; then R4 is connected in series with them; and finally the combination of all four resistors is connected to a 50 volt DC voltage source (emf).

A) Calculate the equivalent reistance, Req, of the four resistors
B) Find the current delivered by the DC voltage source
C) Which of the four resistors have identical currents passing through them
D) Which of the four resistors have identical voltage drops (i.e. potential differences) across them?
E) Find the total power dissipated by all four resistors

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