E4E04 (D)
How can conducted noise from an automobile battery charging system be suppressed?
A. By installing filter capacitors in series with the alternator leads
B. By installing a noise suppression resistor and a blocking capacitor at the battery
C. By installing a high-pass filter in series with the radio's power lead and a low-pass filter in parallel with the antenna feed line
D. By installing ferrite chokes on the charging system leads
