Question
Question: If an electric field is given by 10\(\widehat{i}\) + 3\(\widehat{j}\) + 4\(\widehat{k}\), then calcu...
If an electric field is given by 10i + 3j + 4k, then calculate the electric flux through a surface of area 10 units lying in y-z plane -
A
100 units
B
10 units
C
30 units
D
40 units
Answer
40 units
Explanation
Solution
fA + fC + fB = ϵ0q
Q fA = fC
\ fA + fA + f = ϵ0q
\ ϕA=21(ϵ0q−ϕ)