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Questions and Answers
What happens to the power and electronics requirement in the modulation process as one goes higher in the electromagnetic spectrum?
What happens to the power and electronics requirement in the modulation process as one goes higher in the electromagnetic spectrum?
- They become unnecessary
- They increase (correct)
- They decrease
- They stay constant
Where did radio broadcasting initially begin in the spectrum according to the text?
Where did radio broadcasting initially begin in the spectrum according to the text?
- 0.3 to 3 megahertz (correct)
- 3 to 6 megahertz
- 9 to 12 megahertz
- 6 to 9 megahertz
Which end of the electromagnetic spectrum has long waves of very low frequency?
Which end of the electromagnetic spectrum has long waves of very low frequency?
- Middle section
- Both ends
- High end
- Low end (correct)
What is required to be high for achieving a very high spectrum reach?
What is required to be high for achieving a very high spectrum reach?
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What happens to the frequency as one moves from long waves to short waves in the electromagnetic spectrum?
What happens to the frequency as one moves from long waves to short waves in the electromagnetic spectrum?
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