A solenoid is wound with 970 turns on a form 4.0 cm in diame…
A solenoid is wound with 970 turns on a form 4.0 cm in diameter and 50 cm long. The windings carry a current I in the sense that is shown in the figure. The current produces a magnetic field, of magnitude 4.3 mT near the center of the solenoid. Find the current in the solenoid windings.