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| Q. |
Which of the following antennas produce a vertical radiation pattern? |
| A. | dipole antenna |
| B. | yagi antenna |
| C. | marconi antenna |
| D. | hertz antenna |
| Answer» C. marconi antenna | |
| Explanation: the same effect as dipole antenna can be achieved with a one-quarter wavelength antenna or marconi antenna. a vertical dipole with the doughnut-shaped radiation pattern, in which one-half of the pattern is below the surface of the earth. this is called a vertical radiation pattern. | |
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