-A solenoid is wound with 470 turns on a form 4 cm in diameter and 50 cm long.The windings carry a current in the sense that is shown.The current produces a magnetic field,of magnitude 4.1 mT,at the center of the solenoid.In the figure,the current in the solenoid windings is closest to:
A)3.5 A
B)3.0 A
C)2.6 A
D)4.3 A
E)3.9 A

Question

-A solenoid is wound with 470 turns on a form 4 cm in diameter and 50 cm long.The windings carry a current in the sense that is shown.The current produces a magnetic field,of magnitude 4.1 mT,at the center of the solenoid.In the figure,the current in the solenoid windings is closest to:
A)3.5 A 
B)3.0 A 
C)2.6 A 
D)4.3 A 
E)3.9 A

Quizplus · Accepted Answer

The Answer is A

-A Solenoid Is Wound with 470 Turns on a Form