E4E07 (C)
How can you determine if line-noise interference is being generated within your home?
A. By checking the power-line voltage with a time-domain reflectometer
B. By observing the AC power line waveform with an oscilloscope
C. By turning off the AC power line main circuit breaker and listening on a battery-operated radio
D. By observing the AC power line voltage with a spectrum analyzer
