E4A09:Which of the following is good practice when using an oscilloscope probe?
Direct answer summary (2024-2028 NCVEC pool)
The official correct answer for E4A09 is Minimize the length of the probe's ground connection.
The key fact is Minimize the length of the probe's ground connection. Match that fact to the exact condition in the question; the other choices describe a different rule, band, component, or operating situation.