The second harmonic of a 380 kHz frequency...

Question 1 of 29218y7s3Bos5m4aw7O1DWUjR

The second harmonic of a 380 kHz frequency is:

Back

Question 1 of 29218

Q

The second harmonic of a 380 kHz frequency is:

🔍 Key Concepts

• Harmonics in radio frequencies are integer multiples of a fundamental frequency • How to convert between kilohertz (kHz), megahertz (MHz), and gigahertz (GHz) • Basic multiplication of the given fundamental frequency to find the second harmonic

💭 Think About

• What does "second harmonic" mean in terms of multiplying the original frequency of 380 kHz? • After you find that value, which of the answer choices matches it exactly once you convert units correctly? • Which answer choices can you rule out immediately just by comparing rough size (kHz vs MHz vs GHz)?

✅ Before You Answer

• Multiply the fundamental frequency (380 kHz) by the correct integer for the second harmonic before looking at the options • Convert your result into the same units as each answer choice (kHz, MHz, or GHz) to compare properly • Double-check that you did not accidentally use half or one and a half of the frequency instead of the correct multiple for a second harmonic