你可能感興趣的試題

A circuit breaker and a fuse have a basic similarity in that they both （）.

A.can be reset to energize the circuit
B.should open the circuit when overloaded
C.will burn out when an over current flow develops
D.All of the above

單項選擇題

An electrical device which prevents an action from occurring until all other required conditions are met is called a/an （）.

A.limit
B.monitor
C.modulator
D.interlock