Technician Class

Which of the following can cause radio frequency interference?

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

What is a symptom of RF feedback in a transmitter or transceiver?

What is the primary purpose of a dummy load?

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

What does a dummy load consist of?

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

What does an SWR reading of 4:1 indicate?

What happens to power lost in a feed line?

Which instrument can be used to determine SWR?

Which of the following causes failure of coaxial cables?

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?