| Q.12 | Which statement does not satisfied the condition for the radial fields and spin fields : | |
| Ans | A. The radial field having multiple of R = – yi + xj | |
| B. The radial fields R and R÷r and R÷r² are all gradient fields. | ||
| C. The spin fields S and S÷r are not gradients of any f(x, y). | ||
| D. The spin field S÷r² is the gradient of the polar angle θ = tan–¹(y÷x). |
Correct Ans Provided: A