10 free CBET practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
CBET Practice Test 15Tutor mode
Question 1 of 10
Fundamentals of Electricity and Electronics
A portable suction unit's sealed lead-acid battery reads 13.1 V open-circuit after a full charge, yet clinicians report the unit shuts down early. Which test best determines whether the battery has lost capacity?