An infinitely long line of charge carries 0.4 c per meter. find electric field 0.3 m from line of charge
Answers
Explanation:
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
= Permittivity of free space
4π∈
0
1
=9×10
9
Nm
2
C
−2
λ=
2×9×10
9
0.02×9×10
4
=10μC/m
An infinite line charge produces a field of 9×10
4
N/C at a distance of 2 cm. Calculate the linear charge density.
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Solution To Question ID 419978
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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
= Permittivity of free space
4π∈
0
1
=9×10
9
Nm
2
C
−2
λ=
2×9×10
9
0.02×9×10
4
=10μC/m