A Solenoid Is 3

question 39

Multiple Choice

A solenoid is 3.0 cm long and has a radius of 0.50 cm.It is wrapped with 500 turns of wire carrying a current of 2.0 A.The magnetic field at the center of the solenoid is:

• A)9.9 * 10^-8 T
• B)1.3 * 10^-3 T
• C)4.2 * 10^-2 T
• D)16 T
• E)20 T

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