Question

an infinite line charge produces a field 9×104N/C at a distance of 2cm. calculate the linear charge density.​

Answer 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

Answer 2

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