Current measuring instruments must always be connected in （）<br>A:series with a circuit<br>B:parallel with a circuit<br>C:series-parallel with a circuit<br>D:delta with the shunt

Current measuring instruments must always be connected in （）
A:series with a circuit
B:parallel with a circuit
C:series-parallel with a circuit
D:delta with the shunt

出自：海船船员证

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