College Physics 10th Edition by Raymond Serway,Chris Vuille

تمرين 11

A 400-turn solenoid of length 36.0 cm and radius 3.00 cm carries a current of 5.00 A. Find (a) the magnetic field strength inside the coil at its midpoint and (b) the magnetic flux through a circular cross- sectional area of the solenoid at its midpoint.