Technician Class: 2018–2022
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T4A09:

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

  1. Band-pass filter
  2. Low-pass filter
  3. Preamplifier
  4. Ferrite choke
T4A01 T4A02 T4A03 T4A04 T4A05 T4A06 T4A07 T4A08 T4A09 T4A10 T4A11