MCQOPTIONS
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MCQOPTIONS
| 1. |
If c is the speed of electromagnetic waves in vacuum, its speed in a medium of dielectric constant K and relative permeability \[{{\mu }_{r}}\] is |
| A. | \[v=\frac{1}{\sqrt{{{\mu }_{r}}K}}\] |
| B. | \[v=c\sqrt{{{\mu }_{r}}K}\] |
| C. | \[v=\frac{c}{\sqrt{{{\mu }_{r}}K}}\] |
| D. | \[v=\frac{K}{\sqrt{{{\mu }_{r}}C}}\] |
| Answer» D. \[v=\frac{K}{\sqrt{{{\mu }_{r}}C}}\] | |