The second harmonic of a 380 kHz frequency is:
β’ Harmonics in radio frequencies (multiples of a fundamental frequency) β’ How to calculate the second harmonic of a given frequency β’ Basic multiplication of kilohertz (kHz) values
β’ What does "second harmonic" mean in terms of how many times the original (fundamental) frequency? β’ If the fundamental frequency is 380 kHz, what simple arithmetic operation would give you the second harmonic? β’ After you find the numerical value, which answer choice has that same value and correct unit (kHz)?
β’ Be sure you are multiplying, not dividing, to find the second harmonic β’ Confirm that you keep the units in kHz when you do the calculation β’ Eliminate any choices that are not in kHz or are not a simple multiple of 380 kHz
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