An ideal solenoid 20 cm long is wound with 5000 turns of very thin wire. What strength magnetic field is produced at the center of the solenoid when a current of 10 A flows through it? (?0 = 4? × 10-7 T ? m/A)

A) 4.8 T B) 0.0063 T C) 3.2 T D) 0.31 T E) 0.20 T


D

Physics & Space Science

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