Your assignment is to prepare and submit a paper on engineering science. Hence for the three resistors in parallel, the effective resistance Rf = 1/7+1/12+1/14= 50/1 68. Flipping this upside down give

Your assignment is to prepare and submit a paper on engineering science. Hence for the three resistors in parallel, the effective resistance Rf = 1/7+1/12+1/14= 50/1 68. Flipping this upside down gives 168/50?