# Question: to construct a solenoid you wrap insulated wire uniformly around...

###### Question details

To construct a solenoid, you wrap insulated wire uniformly around a plastic tube 8.1 cm in diameter and 36 cm in length. You would like a 3.2 A current to produce a 2.6 kG magnetic field inside your solenoid.

What is the total length of wire you will need to meet these specifications in km?