Multiple Choice
A long solenoid of radius 3 cm has 1100 turns per meter. If the solenoid carries a current of 1.5 A, then calculate the magnetic field at the center of the solenoid.
A) 2.1 × 10-3 T
B) 1.0 × 10-3 T
C) 1.7 × 10-4 T
D) 7.0 × 10-2 T
E) None of the above.
Correct Answer:
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