A long solenoid with 15 turns per centimeter has a core of annealed iron.When the current is 1.00 A,the magnetic field inside the iron core is 2.46 T.The applied field _app is approximately A)18.8 $\mu$T B)2.46 T C)4.32 mT D)3.87 T E)1.88 mT

Question

Quizplus · Accepted Answer

The Answer of A long solenoid with 15 turns per centimeter has a core of annealed iron.When the current is 1.00 A,the magnetic field inside the iron core is 2.46 T.The applied field _app is approximately A)18.8 $\mu$T B)2.46 T C)4.32 mT D)3.87 T E)1.88 mT

A Long Solenoid with 15 Turns Per Centimeter Has a Core