Multiple Choice
A 1000-turn toroidal solenoid has a central radius of 4.2 cm and is carrying a current of 1.7 A.What is the magnitude of the magnetic field inside the solenoid at the central radius? 
A) 8.1 mT
B) 51 mT
C) 16 mT
D) 81 mT
E) zero
Correct Answer:
Verified
Correct Answer:
Verified
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