Question

electromagnetic

14) Force between current-carrying wires: (10 pts) (a) Derive an expression for the magnitude of the force between two current-carrying wires of length 1 that are separated by a fixed distance d. d 1 (b) If the currents are parallel to each other, is the force between the wires attractive or repulsive? Use the various right-hand rules to justify your answer.

Answer 1

Ia wisie and a)p, g two separation d Carrying Current I and Iz , ses pectiveg at a P magnetic field point an the wirre & ܙܐܶ Mola is B, 2nd (into the page cout out of page ) Р is B2 loib 2nd Force acting 8 du di Ibo on elementary length dth = I (Je x3 (de de ð t Bi (-²) -sb Bidl Force per unit length lo salle zad Similarly for length on wirre per unit P U.Jas Za So two wire at scact each other