The magnetic induction within an ideal solenoid with air core is 5 mT. With an iron core of magnetic susceptibility 500, the induction within changes by
A. 2.5 T
B. 25 T
C. 50 T
D. 100 T.
Answer:A
The magnetic induction within an ideal solenoid with air core is 5 mT. With an iron core of magnetic susceptibility 500, the induction within changes by
A. 2.5 T B. 25 T C. 50 T D. 100 T.