A Long Solenoid with 15 Turns Per Centimeter Has a Core

question 77

Multiple Choice

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 magnetization M is approximately

• A)1.80 \(\times\) 10^-4 A/m
• B)1.31 \(\times\) 10⁶ A/m
• C)1.96 \(\times\) 10⁶ A/m
• D)5.56 \(\times\) 10^-4 A/m
• E)1.50 \(\times\) 10⁴ A/m

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