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5. An electric current is a flow of electrical charge through a circuit.

(a) Complete the sentence using a word from the box:

atoms, electrons, ions, molecules

Metals are good conductors of electricity because electrical charge is transferred by delocalised __________.



Answer :

GinnyAnswer

Final answer:

Electric current is the movement of electric charge through a conductive medium, mainly carried by free electrons in metals.


Explanation:

Electric current is the movement of electric charge through a conductive medium. In metals, the flow of current is primarily due to the movement of free electrons, while in liquids, it is carried by ions. Gases are usually poor conductors unless ionized by intense electrical forces.


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