Regarding household circuits and safe electricity use, which of the following statements is correct______
A. Fuse blown in the home circuit is caused by a short circuit
B. The light used for lighting and the switch that controls it only need to be connected in series
C. After the fuse is blown, copper wire can be used instead of the fuse to connect to the circuit
D. When a household appliance or electrical wire is found to be on fire, the power must be cut off before putting out the fire
Answer:D
Regarding household circuits and safe electricity use, which of the following statements is correct______
A. Fuse blown in the home circuit is caused by a short circuit B. The light used for lighting and the switch that controls it only need to be connected in series C. After the fuse is blown, copper wire can be used instead of the fuse to connect to the circuit D. When a household appliance or electrical wire is found to be on fire, the power must be cut off before putting out the fire