Attempt all the questions. There is only one correct answer to each question. Click to show all questions. When you have completed the quiz press the back button to return to your last page.
EMC stands for
Electromagnetic Capabilty
Electromagnetic Compatibility
Electromagnetic Cupability
Electromagnetic Choice
Radio transmitters if correctly adjusted:
should not cause interference to other electronic equipment
always cause interference to other electronic equipment
never cause interference to other electronic equipment
may still cause interference to other electronic equipment
Correctly adjusted amateur radio receivers:
never pick up interferance from local sources
may pick up interferance from local sources
always pick up interferance from local sources
only pick up interferance from local sources if they are not in a screened metal box
Which frequencies are most likely to be picked up directly be electrical equipment?
LF transmissions (below 200kHz)
HF transmissions
VHF transmissions
VHF and UHF transmissions
Which of these is least likely to be a source of interference from an amateur transmitter?
The use of a quarte wave inverted L antenna
The use of a dipole antenna in the roof space
The use of a dipole antenna at the back of a house fed with open wire feeder
The use of a dipole antenna at the back of a house fed with coaxial feeder