單項(xiàng)選擇題

Which is a function of the voltage regulators used with AC generators?（）

A.To cut out generators when they are no longer required
B.To cut in additional generators automatically as required
C.To divide the KW load equally between generators operating in parallel
D.To divide reactive current between generators operating in parallel

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單項(xiàng)選擇題

The most inefficient method of voltage reduction from the stand point of power loss, is a/an （）

A.capacitor in series with the load
B.inductor in series with the load
C.capacitor and inductor in series with the load
D.resistor in series with the load

單項(xiàng)選擇題

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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Which is a function of the voltage regulators used with AC generators?（）

你可能感興趣的試題

The most inefficient method of voltage reduction from the stand point of power loss, is a/an （）

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