单项选择题

In a simple series circuit, the entire source voltage will drop across （）

A.the resistor next to the negative terminal
B.a short circuit
C.the resistor next to the positive terminal
D.an open circuit

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The division of kilowatt load between two paralleled alternators is determined by the （）

A.amount of field excitation of the leading machine
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单项选择题

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In a three-phase circuit, the phase voltages are （）

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