Batteries are a part of our everyday life, and power everything from phones to gaming handhelds to laptops, but do those ...

In domestic devices, energy is transferred ... with brown plastic - this wire connects to the alternating potential difference pushing the current in the circuit Fuse A glass or ceramic canister ...

The fuse contains a thin wire that will melt if the current gets too high. If there is a fault that causes the casing of the device to become live, a large current will flow through the low ...