Question
Physics Question on Current Density
An infinite line charge produces an electric field of 9 × 106 N/C at a distance of 20 cm. The linear charge density will be :
A
10-3 C/m
B
10-4 C/m
C
10-2 C/m
D
10-5 C/m
Answer
10-4 C/m
Explanation
Solution
The correct option is (B):
10-4 C/m