an infinite line charge produces a field 9×104N/C at a distance of 2cm. calculate the linear charge density.
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Answered by
1
Answer:
Electric field produced by the infinite line charges at a distance d having linear charge density λ is given by the relation,
E=
2π∈
0
d
λ
λ= 2π∈
0
dE
Where,
d= 2cm= 0.02m
E= 9× 10
4
N/C
∈
0
=
4π∈
0
1
= 9× 10
9
Nm
2
C
−2
λ=
2×9×10
9
0.02×9×10
4
=
10μC/m
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