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A Long Solenoid with 20 Turns Per Centimeter Has a Core

Question 48

Multiple Choice

A long solenoid with 20 turns per centimeter has a core of iron-silicon. When the current is 1.50 A, the magnetic field inside the core is 4.50 T. The applied field A long solenoid with 20 turns per centimeter has a core of iron-silicon. When the current is 1.50 A, the magnetic field inside the core is 4.50 T. The applied field <sub>app</sub> is approximately A) 1.88 mT B) 3.77 mT C) 4.32 mT D) 3.87 mT E) 1.93 mT app is approximately


A) 1.88 mT
B) 3.77 mT
C) 4.32 mT
D) 3.87 mT
E) 1.93 mT

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