Question
Question: A long string with a charge of l per unit length passes through an imaginary cube of edge a. The max...
A long string with a charge of l per unit length passes through an imaginary cube of edge a. The maximum flux of the electric field through the cube will be –
A
la/e0
B
2la/e0
C
6la2/e0
D
3la/e0
Answer
3la/e0
Explanation
Solution

max string through the cube=3a
f. = =