This textbook survival guide was created for the textbook: College Physics, edition: 7. Since the solution to 18.20 from 18 chapter was answered, more than 290 students have viewed the full step-by-step answer. This full solution covers the following key subjects: Circuit, current, currents, figure, unknown. This expansive textbook survival guide covers 30 chapters, and 2135 solutions. The full step-by-step solution to problem: 18.20 from chapter: 18 was answered by , our top Physics solution expert on 11/15/17, 04:28PM. The answer to “In the circuit of Figure P18.20, the current I1 is 3.0 A while the values of and R are unknown. What are the currents I2 and I3?” is broken down into a number of easy to follow steps, and 27 words. College Physics was written by and is associated to the ISBN: 9780495113690.