Yep!
You might find this slide deck interesting, which goes into all of that.
http://k9yc.com/GroundingAndAudio.pdf
Also, N0AX's ARRL Book on the topic, to which I'm a contributor,
addresses this in exactly the terms you've cited.
73, Jim K9YC
On 6/24/2021 12:49 PM, Hal Massey wrote:
Fixing a common misconception about grounding…
Grounding does not get all the devices at the same potential. It just minimizes
the potential difference among them. “Where there is metal there is resistance
and if there is any current there will be a voltage (period).
This is one of the biggest urban myths around and the source of many
difficulties for lay folks trying to understand grounding. -BSEE and MSEE here.
A practical application of this for hams is to keep the runs short and low
inductance too!
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