1 Answers

Given,

d = 9 cm

d = .09 m

E = 2 x 104 N/c

λ = ?

Electric field produced by infinite line charge at a distance.

E = \(\frac{\lambda}{2\piε_od\times E}\)

Where ε= permitivity of free space

λ = 2πεod x E

Multiply and divided by 2,

λ = \(\frac{4\piε_o\times 0.09 \times 2 \times 10^4}{2}\)

∵ \(\frac{1}{4\piε_o}\) = 9 x 109 Nm2/c2 

λ = \(\frac{0.09\times 2\times 10^4}{2\times 9\times 10^9}\)

λ = \(\frac{0.18\times 10^4}{18\times 10^9}\)

λ = \(\frac{18\times 10^2}{18\times 10^9}\)

λ = 1 x 10-7c/m

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