# R, R Problem 6: Consider the circuit in the figure, with the current directions defined as shown. There are four resistors in this circuit (R1, R2, R3, and b 20 Ω R4) and four batteries with emfs = 16.5 V, E2 = 2.5 V, 3 = 9.5 V, and 4 = 21.9 V, each with internal resistance given by r¡ as marked in the figure. 13 0.50 R,\$60 Randomized Variables E1 = 16.5 V E2 = 2.5 V Ez = 9.5 V E4 = 21.9 V 3 0.5 2 0.25 2 E4 R. 15 0 e 0.75 2 Part (a) Calculate the current I in amps. Numeric : A numeric value is expected and not an expression. I = Part (b) Calculate the current I2 in amps. Numeric : A numeric value is expected and not an expression. I2 = Part (c) Calculate the current I3 in amps. Numeric : A numeric value is expected and not an expression. I3 = Looking for someone to write your essay in 2 hours? Assignment123 can help. Hire an expert writer to tackle your essay paper and get it done quickly and efficiently. You can also order a custom essay, buy essay online, or get essay help from our team of experienced writers.