A long straight wire produces a field of 1.8x10^5 NC^-1 at a distance of 1 cm from it. The linear
density then must be
a) 10^-6 cm^-1
b) 10^-7 cm^-1
c) 0.5 x 10^-7 cm^-1
d) 0.5 x 10^6 cm^-1
Answers
Answered by
6
Explanation:
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
Answered by
3
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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