An Ideal Solenoid of Radius a Has N Turns Per

question 101

Multiple Choice

An ideal solenoid of radius a has n turns per unit length and current I.The magnetic flux Φ_B through any circular area of radius a inside the solenoid,centered on and perpendicular to the solenoid axis is

• A) .
• B) .
• C)μ₀πa²nI.
• D)2μ₀πa²nI.
• E)0.

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