MCQOPTIONS
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MCQOPTIONS
| 1. |
The electric field component of a time harmonic place EM wave traveling in a non-magnetic lossless dielectric medium has amplitude of 2V/m. If the relative permittivity of the medium is 4, the magnitude of the time-average power density vector (in W/m2) is |
| A. | \(\frac{1}{{30\pi }}\) |
| B. | \(\frac{1}{{120\pi }}\) |
| C. | \(\frac{1}{{60\pi }}\) |
| D. | \(\frac{1}{{240\pi }}\) |
| Answer» D. \(\frac{1}{{240\pi }}\) | |