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| Q. |
A modern device that replaces a slotted line is: |
| A. | digital cro |
| B. | generators |
| C. | network analyzers |
| D. | computers |
| Answer» C. network analyzers | |
| Explanation: although slotted lines used to be the principal way of measuring unknown impedance at microwave frequencies, they have largely been superseded by the modern network analyzer in terms of accuracy, versatility and convenience. | |
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