Question

plzzz solve it from electrostatics..

Answer 1

E = λ/(2πϵor) = 2λ/(4πϵor) E = 9 x 104 N/C 1/(4πϵo) = 9 x 109 Nm2 /C2. Linear charge density λ = E. 4πϵor/2 ..

so it will be .

(9 x 104 N/C) (2 x 10-2 ) / ( (9 x 109 Nm2 /C2) x 2 )

= 10-7 C/m