Three parallel wires each carry current I in the directions shown in the figure. (Figure 1) The separation between adjacent wires is d. Part A Calculate the magnitude of the net magnetic force per unit length on the top wire. Express your answer in terms of the variables I, d, and appropriate constants. ΜΕ ΑΣΦ ? Submit Previous Answers Request Answer Figure 1 of 1 Incorrect; Try Again; 2 attempts remaining Show Transcribed Text Part E Part B What is its direction? C Upward Downward The force is zero Calculate the magnitude of the net magnetic force per unit length on the bottom wire. Express your answer in terms of the variables I, d, and appropriate constants. 跖 ΜΕ ΑΣΦ 4xd Submit Previous Answers Request Answer ? Cor