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A) At a distance of 0.196 cm from the center of a charged conducting sphere with

ID: 1356286 • Letter: A

Question

A) At a distance of 0.196 cm from the center of a charged conducting sphere with radius 0.100cm, the electric field is 430 N/C . What is the electric field 0.614 cm from the center of the sphere

B) At a distance of 0.184 cm from the axis of a very long charged conducting cylinder with radius 0.100cm, the electric field is 430 N/C . What is the electric field 0.612 cm from the axis of the cylinder?

C) At a distance of 0.218 cm from a large uniform sheet of charge, the electric field is 430 N/C . What is the electric field 1.12 cm from the sheet?

Explanation / Answer

A)

here ,

let the electric field 0.614 cm away is E2

as the electric field is given as

E =k * q/d^2

E1/E2 = r2^2/r1^2

430/E2 = (0.614/.196)^2

solving for E2

E2 = 43.8 N/C

the electric field at 0.614 cm is 43.8 N/C

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