Can you do part B An infinite cylinder has a linear charge density = 2.8 C/m. Ra

Question

Can you do part B

An infinite cylinder has a linear charge density = 2.8 C/m.

Randomized Variables = 2.8 C/m 50% Part (a) If the cylinder is insulating and has a radius R = 0.35 m, what is the volume charge density, in microcoulombs per cubic meter? Assume the charge density is uniform. Correct Answer Student Answer Final Grade = 7.276 = 7.27 100% Grade Detail Correct Student Feedback Final Answer Credit 100%

50% Part (b) If instead the cylinder were a conductor with the same dimensions and linear charge density, what would be the surface charge density, in microcoulombs per square meter?

Can you do part B

Explanation / Answer

a)

We know that volume charge density is given by

p =Lamda/A =Lamda/piR2 = 2.8 C/m./3.14*(0.35)2 =2.8*10-6/3.14*(0.35)2 =7.27uC/m

b)

Surface charge desnity is

p =Lamda/2piR =2.8 C/m./2*3.14*(0.35) =2.8*10-6/2*3.14*(0.35) =1.273uC/m

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