Question

please help me.....​

Answer 1

Answer:

I don't know the correct answer but I think option no. 3 is correct

Answer 2

Answer:

Here

Q = 1/9 n C

L = 1 m

Now

V = Qln2/4π∈₀L

V = [(1/9) ln 2] / [4π∈₀ × 1]

we know, 1/4π∈₀ = 9 × 10⁹

V = 9 × 10⁹ × [(1/9) ln 2]

V = 10⁹ × ln 2