gold is not used in electrical circuits although it is belong to metal because it is too rare and more expensive than other metals like silver and copper.

Penjelasan:

Electrical circuit is closed loop network that giving return path for the current flow. Electrical circuit sometime called by electrical network. To make an electrical circuit, it is need metal to conduct the electricity from one path to another. Silver, copper, and gold are the example of metals. Eventhough silver is the most conductive metal, but it has some disadvantages that make copper more common to use in electrical circuit. Like silver, gold also not common to used in electrical circuit. It is because gold is too rare and more expensive than other metals like silver and copper.

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