An Ideal Solenoid 20 Cm Long Is Wound with 5000

question 41

Multiple Choice

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? (μ₀ = 4π × 10^-7 T ∙ m/A)

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

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