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September 3, 2021 at 1:35 pm
#13406
Susan Brown
Keymaster
Hi Jose,
We explain the answer to that in the first video in Unit 3, “Electrical Measurements Refresher.”
Let me know if that doesn’t make it clear.
Also – remember that you need to earn 90% or higher on EACH quiz in the course to earn Certification. You scored 88.9% on the second attempt at the Unit 2 quiz. Do you know how to request a reset?