A、in series with the power source and load
B、in parallel with the power source and load
C、insuring correct polarity
D、using the lowest range possible to prevent instrument damage
更多“When measuring AC current flow, you must always connect the meter （）”相关的问题
A、When it is a DC machine B、When it is an AC machine C、Any machine that operates on over 100 volts D、Only when working on wet steel plates
A、mƒcu≥1.10ƒcu，k；ƒcu，min≥ƒcu，k B、mƒcu≥1.15ƒcu，k；ƒcu，min≥ƒcu，k C、mƒcu≥1.10ƒcu，k；ƒcu，min≥0.95ƒcu，k D、mƒcu≥1.15ƒcu，k；ƒcu，min≥0.95ƒcu，k
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