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#11 Please answer and explain the answer. For study purposes) thank you. Subject: Electromagnetism

. A long solenoid with 15 turns per centimeter has a core of annealed iron. When the current is 1.00 A, the
magnetic field inside the iron core is 2.46 T. The applied field B app is approximately
a. 18.8 με
b. 4.32 mT
c. 3.87 T
d. 1.88 mT

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