जॉइन Examsbookउत्तर : 2. "3 to 30 MHz"
What frequency range is the high frequency band?5
प्र: What frequency range is the high frequency band?
- 13 kHzfalse
- 23 to 30 MHztrue
- 330 to 300 MHzfalse
- 410 GHzfalse
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उत्तर : 2. "3 to 30 MHz"
व्याख्या :
Answer: B) 3 to 30 MHz Explanation: The HF band is based on frequencies 3 to 30 Mhz. AM radio stations are in the HF band but normally are stated in kilohertz.