Two Long Wires Each Carrying a. d. c. Current :
Two long wires each carrying a. d. c. current in the same direction are placed close to each other. Which one of the following statements is correct?
- The wires will attract each other
- The wires will repel each other
- There will be no force between the wires
- There will be a force between the wires only at the moment when the current is switched ON or OFF