APFIVE Induced Electric Field in a Solenoid
A long solenoid with n turns per unit length carries a current I(t) = I₀sin(ωt). What is the magnitude of the induced electric field at a distance r from the axis inside the solenoid?
A
E = (μ₀nI₀ωr/2)sin(ωt)
B
E = (μ₀nI₀ωr/2)cos(ωt)
C
E = μ₀nI₀ωrcos(ωt)
D
E = (μ₀nI₀ω/2r)cos(ωt)
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