MCQOPTIONS
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| 1. |
An unmodulated voltage 10 V effective is applied to a dioxide detector in which load resistance is 4 x 10-5 ohms. A micrometer shows that the rectified DC current in this resistance is 30 A. The input resistance of the detector is |
| A. | 114 kW |
| B. | 336 kW |
| C. | 384 kW |
| D. | 455 kW |
| Answer» C. 384 kW | |