Batteries and similar devices accept, store, and release electricity on demand. A switch is used in a wired network to connect to other devices using Ethernet cables. A light-bulb produces light from electricity. In addition to lighting a dark space, they can be used to show an electronic device is on, to direct traffic, for heat, and for many other purposes
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Answer:
Batteries and similar devices accept, store, and release electricity on demand.
A switch is used in a wired network to connect to other devices using Ethernet cables.
A light-bulb produces light from electricity. In addition to lighting a dark space, they can be used to show an electronic device is on, to direct traffic, for heat, and for many other purposes