Code speed or number of words per minute...

Question 1 / 20izAxVeg6gNKkQZBiI5Nw

Question 1 of 20izAxVeg6gNKkQZBiI5Nw

Code speed or number of words per minute transmitted have what effect if any on the bandwidth of emission of a radiotelegraph transmitter?

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Question 1 of 20

izAxVeg6gNKkQZBiI5Nw

Code speed or number of words per minute transmitted have what effect if any on the bandwidth of emission of a radiotelegraph transmitter?

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🔍 Key Concepts

• Relationship between keying speed (words per minute) and the rate of on/off keying in radiotelegraphy • How bandwidth is affected by how rapidly a carrier is switched on and off (keyed)** • Difference between bandwidth of emission and signal strength (power)

💭 Think About

• When you key the transmitter faster (more words per minute), what happens to how quickly the signal must change from ON to OFF and back again? • In radio theory, do faster changes in a signal generally require more, less, or the same frequency spread (bandwidth) around the carrier? • Does changing the speed of the code automatically increase the power output of the transmitter, or is power controlled by other settings?

✅ Before You Answer

• Be clear on the definition of bandwidth of emission (the range of frequencies the signal occupies around the carrier). • Separate in your mind: speed of keying vs transmitter power (signal strength)—they are different characteristics. • Ask: which options talk about bandwidth, which talk about signal strength, and can both change together just by increasing code speed?

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Question 1 of 20

Code speed or number of words per minute transmitted have what effect if any on the bandwidth of emission of a radiotelegraph transmitter?

It does have an effect. Bandwidth increases as the code speed is increased

No effect. Bandwidth decreases as the code speed is increased

Signal strength increases as the speed increases

Both A & C

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Question 1 / 20izAxVeg6gNKkQZBiI5Nw

Question 1 of 20izAxVeg6gNKkQZBiI5Nw

Code speed or number of words per minute transmitted have what effect if any on the bandwidth of emission of a radiotelegraph transmitter?

Back

Question 1 of 20

izAxVeg6gNKkQZBiI5Nw

Code speed or number of words per minute transmitted have what effect if any on the bandwidth of emission of a radiotelegraph transmitter?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed