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Question
The charges in motion constitute an electric current. However, not all moving charges constitute an electric current. An example for it is the flow of
The charges in motion constitute an electric current. However, not all moving charges constitute an electric current. An example for it is the flow of
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Solution
The correct option is C Free electrons in a copper wire
An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in an ionised gas (plasma). Electric current is measured using a device called an ammeter.The charges in motion constitute an electric current. However, not all moving charges constitute an electric current. An example for it is the flow of Free electrons in a copper wire
An electric current is a flow of electric charge. In electric circuits this charge is often carried by moving electrons in a wire. It can also be carried by ions in an electrolyte, or by both ions and electrons such as in an ionised gas (plasma). Electric current is measured using a device called an ammeter.The charges in motion constitute an electric current. However, not all moving charges constitute an electric current. An example for it is the flow of Free electrons in a copper wire
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