A + 29 nC charge is at the origin. Part A What is the radius of the 1000 V equip
ID: 1506170 • Letter: A
Question
A + 29 nC charge is at the origin.
Part A
What is the radius of the 1000 V equipotential surface?
Express your answer using two significant figures.
Part B
What is the radius of the 2000 V equipotential surface?
Express your answer using two significant figures.
Part C
What is the radius of the 3000 V equipotential surface?
Express your answer using two significant figures.
Part D
What is the radius of the 4000 V equipotential surface?
Express your answer using two significant figures.
R = mExplanation / Answer
given
Q = 29 nC
A) we know, Potentail at a distance r from the charge,
V = k*Q/r
r = k*Q/V
= 9*10^9*29*10^-9/1000
= 0.26 m
B) Apply, V = k*Q/r
r = k*Q/V
= 9*10^9*29*10^-9/2000
= 0.13 m
C) Apply, V = k*Q/r
r = k*Q/V
= 9*10^9*29*10^-9/3000
= 0.087 m
D)
r = k*Q/V
= 9*10^9*29*10^-9/4000
= 0.065 m
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