MCQOPTIONS
Saved Bookmarks
| 1. |
The range of radio frequencies for communication through free space is which of the following? |
| A. | Few hundreds of Hz to a few kHz |
| B. | Few hundreds of MHz to a few GHz |
| C. | Few hundreds of kHz to a few GHz |
| D. | Few hundreds of Hz to a few thousands kHz |
| Answer» D. Few hundreds of Hz to a few thousands kHz | |