單項選擇題

For practical purposes, in a simple series circuit, the source voltage will be dropped across one resistor if it has（）.

A.half the resistance of the other resistor
B.a resistance equal to the other
C.at least ten times the resistance of the other
D.a partial short circuit

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單項選擇題

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

單項選擇題

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

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For practical purposes, in a simple series circuit, the source voltage will be dropped across one resistor if it has（）.

你可能感興趣的試題

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

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

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