A、circuit breaker
B、amplifier
C、diode
D、capacitor
更多“Electric circuits are protected against overloads and short circuits by means of a/an （）.”相关的问题
A、current in the circuit B、voltage in the circuit C、inductance in the circuit D、resistance in the circuit
A、opposes any change in the applied voltage B、opposes any change in the current flow through the circuit C、aids any changes in the applied voltage D、aids any changes in the current through the circuit
A、generate its own electrical power B、transform electrical energy into mechanical energy C、increase or decrease circuit voltage as required D、convert AC current to DC current
A、With switches B、With a governor on the engine C、With fuses or circuit breakers D、By using heavy wire
A、neutralize armature reaction B、conduct electric current to an outside circuit C、convert DC current to AC current D、provide excitation to a DC generator
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