Reason (R): Additional of impurity in the ratio of 1 part in 108 parts increases the number of charge carriers by about 20.
List I | List II | ||
---|---|---|---|
A. | 200 MHz | 1. | SHF |
B. | 20 GHz | 2. | UHF |
C. | 500 kHz | 3. | VHF |
D. | 500 MHz | 4. | MF |
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