Linear charge density:
The linear charge density, λ2 = ρ[(π)(b2 - a2)]
An infinite line of charge with linear density λ1 = 8.8 µC/m is positioned along the axis of a thick insulating shell of inner radius a = 2 cm and outer radius b = 4.1 cm. The insulating shell is uniformly charged with a volume density of ρ = 688 µC/m3.
1) What is λ2, the linear charge density of the insulating shell?
2) What is Ex(P), the value of the x-component of the electric field at point P, located a distance 7.4 cm along the y-axis from the line of charge?
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