A Solenoid of Length 0

question 5

Multiple Choice

A solenoid of length 0.700 m having a circular cross-section of radius 5.00 cm stores 6.00 µJ of energy when a 0.400-A current runs through it.What is the winding density of the solenoid? (μ₀ = 4π × 10^-7 T • m/A)

• A) 865 turns/m
• B) 472 turns/m
• C) 1080 turns/m
• D) 104 turns/m
• E) 327 turns/m

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