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Byju's Answer
Standard XII
Physics
Electric Field Due to Charge Distributions - Approach
Find the magn...
Question
Find the magnitude of the electric field at a point
4
c
m
away from a line charge of density
2
×
10
−
6
C
m
−
1
.
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Solution
let the diagram be:
E
due to a linear charge density is
given by
D
=
λ
2
π
∈
0
r
⇒
E
=
2
×
10
−
6
2
π
∈
0
×
0.04
E
=
9
×
10
5
N
/
C
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0
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Q.
Find the magnitude of the electric field at a point 4 cm away from a line charge of density
2
×
10
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.