Amateur Extra Class: 2020–2024
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E4A09:

Which of the following is good practice when using an oscilloscope probe?

  1. Keep the signal ground connection of the probe as short as possible
  2. Never use a high-impedance probe to measure a low-impedance circuit
  3. Never use a DC-coupled probe to measure an AC circuit
  4. All these choices are correct
E4A01 E4A02 E4A03 E4A04 E4A05 E4A06 E4A07 E4A08 E4A09 E4A10 E4A11