Three resistors and two emfs are wired as shown in the circuit diagram where each resistance is given as a multiple of R and each emf as a multiple of ε. Write a symbolic expression for the current, I, shown flowing through the middle resistor in terms of & and R and indicate which way it actually flows. | = --Select--- ✓ --Select--- up down 8€ +4 R I in >2R R 78
Three resistors and two emfs are wired as shown in the circuit diagram where each resistance is given as a multiple of R and each emf as a multiple of ε. Write a symbolic expression for the current, I, shown flowing through the middle resistor in terms of & and R and indicate which way it actually flows. | = --Select--- ✓ --Select--- up down 8€ +4 R I in >2R R 78
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