A solenoid is built by turning N turns around a core whose magnetic permeability is µr with a radius of R in m, a length

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answerhappygod
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A solenoid is built by turning N turns around a core whose magnetic permeability is µr with a radius of R in m, a length

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A solenoid is built by turning N turns around a core whose
magnetic permeability is µr with a radius of R in m, a length 10
times its radius. A cable whose resistance per unit length is λ in
Ω/m is used. If a current i = iocos(wt) flows through this
solenoid, calculate the electric potential difference across the
solenoid.
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