你可能感興趣的試題

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

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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If both the “high level” and “l(fā)ow level” alarms come on for the same address of a centralized control console, the most likely problem is a/an （）.

你可能感興趣的試題

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

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