A high tension wire has low resistance and large surface area. The resistance is kept low so as to allow a heavy current to pass through it.
The surface area is made large so that it radiates the heat produced more quickly to the surrounding.
A high tension wire has low resistance and large surface area. The resistance is kept low so as to allow a heavy current to pass through it.
The surface area is made large so that it radiates the heat produced more quickly to the surrounding.