A 460-Turn Solenoid of Length 30

question 43

Multiple Choice

A 460-turn solenoid of length 30.0 cm and radius 4.00 cm carries a current of 3.50 A. What is the magnetic field strength inside the coil at its midpoint?
-​What is the magnetic field strength inside the coil at its midpoint?

• A)​2.02E-3 T
• B)​6.74E-3 T
• C)​6.07E-4 T
• D)​4.95E-5 T

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