MCQOPTIONS
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MCQOPTIONS
| 1. |
The point form of the relation connecting vector magnetic potential A and current density J is: |
| A. | \(\nabla \times \vec H = \vec J + \frac{{\partial \vec D}}{{\partial t}}\) |
| B. | \(\vec A = \smallint \frac{{\mu \vec Jdv}}{{4\pi \in R}}\) |
| C. | \({\nabla ^2}\vec A = - {\mu _0}\vec J\) |
| D. | \(\frac{{\partial \vec A}}{{\partial t}} = - \frac{{\vec j}}{\sigma }\) |
| Answer» D. \(\frac{{\partial \vec A}}{{\partial t}} = - \frac{{\vec j}}{\sigma }\) | |