Superconductors can carry very large currents with no resistance. If a superconducting wire is formed into a solenoid of length 50.0 cm with 250 turns, what is the magnetic field inside the solenoid when the current is 104 A? (µ0 = 4 *10 sup>- 7 T.m/A)
A) 12.6 T
B) 2.50 T
C) 1.25 T
D) 6.28 T
Correct Answer:
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