A Solenoid 4 $\mu$ Wb
B)16 $\mu$ Wb
C)0 $\mu$ Wb
E)5 $\mu$ Wb

question 15

Multiple Choice

A solenoid 4.0 cm in radius and 4.0 m in length has 8 000 uniformly spaced turns and carries a current of 5.0 A.Consider a plane circular surface (radius = 2.0 cm) located at the center of the solenoid with its axis coincident with the axis of the solenoid.What is the magnetic flux through this surface? (1 Wb = 1 T . m²)

• A)63 \(\mu\)Wb
• B)16 \(\mu\)Wb
• C)0.25 mWb
• D)10\(\mu\)Wb
• E)5.0 \(\mu\)Wb

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