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Which measurement assesses a battery under load?

  • A.A specific gravity check
  • B.A conductance test, which applies a small alternating signal and therefore does not load the battery at all
  • C.A high rate discharge or load test
  • D.An open circuit voltage measurement, which indicates the state of charge and therefore the condition of the battery

Answer: C

A load tester draws roughly half the cold cranking amps and the voltage must stay above a defined figure. Conductance testing achieves a similar assessment without a heavy load, which makes the last option a genuine modern alternative. Checking which component actually carries the load settles most questions of this kind at once. Most errors here come from carrying across a result from a neighbouring case where it does not hold. Naming the cost of a choice alongside its benefit is what turns a fact into a design decision.

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