Question

A vector field is expressed in the cylindrical coordinate system (s, ϕ, z) as,
$\overrightarrow𝐹=\frac{𝐴}{𝑠} 𝑠̂+ \frac{𝐵}{𝑠} 𝑧̂.$
If this field represents an electrostatic field, then the possible values of A and B, respectively, are:

• A. 1 and 0
• B. 0 and 1
• C. −1 and 1
• D. 1 and −1

Answer 1

Answer: (A)

1 and 0

Answer 2

The correct option is (A): 1 and 0