Q44:A solenoid 10.0 cm in diameter and 75.0 cm long is made from copper wire of diameter 0.100 cm, with very thin insulation. The wire is wound onto a cardboard tube in a single layer, with adjacent turns touching each other. What power must be delivered to the sole- noid if it is to produce a field of 8.00 mT at its center?
p =
pi =
g =
u =