Question

which device is commonly used to maintain flow of electric current through a circuit​

Answer 1

Answer:

ammeter

a typical electric circuit comprising a cell, an electric bulb, an ammeter and a plug key. Note that the electric current flows in the circuit from the positive terminal of the cell to the negative terminal of the cell through the bulb and ammeter.

Answer 2

Answer:

An electrical fuse is a device that sacrifices itself to provide over-current protection in an electrical circuit. Conducting wires have a small electrical resistance. The electrical resistance of a conducting wire is related to the type of metal used and inversely related to the cross-sectional area of the wire.

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