A) At a distance of 0.196 cm from the center of a charged conducting sphere with
ID: 1336058 • 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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