Two 10 cm long, straight wires, each carrying a current of 5 A are kept parallel to each other. If each wire experienced a force of $10 ^ { - 5 } \mathrm {~N}$, then separation between the wires is $\_\_\_\_$ cm.
Two 10 cm long, straight wires, each carrying a current of 5 A are kept parallel to each other. If each wire experienced a force of $10 ^ { - 5 } \mathrm {~N}$, then separation between the wires is $\_\_\_\_$ cm.