ATPL EASA Radio Navigation Practice Exam

What frequency range corresponds to Kilohertz?

3-30kHz 1 - 999 1x10^6 - 9.99x10^8 1000 - 999,999

Correct Answer:

1000 - 999,999

Explanation:

The frequency range associated with Kilohertz (kHz) is from 1,000 Hz to 999,999 Hz. This is because 1 kHz is defined as 1,000 cycles per second. Therefore, when discussing the Kilohertz range, the values typically extend from this baseline of 1 kHz (1,000 Hz) upwards. The upper limit in this case is just below 1 MHz (which starts at 1,000 kHz or 1,000,000 Hz). This is why the selected answer aligns correctly with the definition of Kilohertz: it encompasses a spectrum that includes all frequencies starting from 1 kHz up to almost 1,000 kHz. Other frequency ranges provided in the other options do not correctly represent the Kilohertz range, as they either include frequencies outside of the Kilohertz spectrum or misrepresent their boundaries.

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