electrical circuit and components
|The longer wire the more/less resistance, the lamp will shine more/less brightly ? ||more, less|
|Fuses and circuit breakers prevent circuits carrying too much electricity. Explain how. ||The fuse device contains wire which melts, and breaks the circuit when the current is too high.A circuit breaker has a switch which opens and breaks the circuit when the current is too high, and can easily be close again.|
|Materials which allow electricity to flow through them are called __________.
Materials which do not allow electricity to flow through them are called ___________. ||conductors