Ascending Order: Metric Prefixes - Answers- Kilo (10^3), Mega (10^6), Giga (10^9),
Tera (10^12)
Frequency (Definition, Symbol and Unit) - Answers- Number of cycles per second, f,
hertz
Period (Definition, Symbol and Unit) - Answers- Length of cycle in time, T, seconds
UHF Frequency Range - Answers- 300MHz-3GHz
SHF Frequency Range - Answers- 3 GHz-30GHz
EHF Frequency Range - Answers- 30-300 GHz
Audio Frequency - Answers- Less than 20 kHz
Radio Frequency - Answers- Greater than 20 kHz
AM Broadcast Band - Answers- 535 kHZ to 1700 kHz
FM Broadcast Band - Answers- 88-108 MHz
VLF frequency range - Answers- 3 to 30 KHz
LF Frequency Range - Answers- 30-300kHz
, MF frequency range - Answers- 300-3000 kHz
HF frequency range - Answers- 3 MHz - 30 MHz
VHF frequency range - Answers- 30MHz-300MHz
Microwaves - Answers- Frequencies above 1 GHz
Wavelength (Definition, Symbol and Unit) - Answers- Distance Traveled by Wave in 1
Cycle, Lambda, meters)
At what speed do radio waves travel? - Answers- speed of light, C, 300 million meters
per second
Equation: Wavelength = ? - Answers- Lambda = C / f (Speed of Light / Frequency)
What is a transmitter? - Answers- (XMTR) generates a signal that carries speech,
morse code or data
What is a reciever? - Answers- (RCVR) recovers information from a signal
What is a transceiver? - Answers- (XCVR) combines a transmitter and receiver into one
piece of equipment
What is a repeated? - Answers- A receiver and transmitter that retransmit signals on
another frequency or channel. This is called duplex communication.
Current (Definition, Symbol and Unit) - Answers- Flow of electrons, I, Amps
What is used to measure current? - Answers- Ammeter
Voltage (Definition, Symbol and Unit) - Answers- Electric Potential, V, volts
What is used to measure voltage? - Answers- voltmeter
Electrons flow the same direction constantly in _____________ current, and flow
reverses on a cycle in _____________ current. - Answers- direct; alternating
If the same current flows through all components, the circuit is a _________ circuit. -
Answers- Series
If the same voltage flows through all components, the circuit is a ________ circuit. -
Answers- Parallel
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller GEEKA. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.