Are Ions Involved in Electric Currents?

In summary, electric power occurs when electrical charge is transferred through a voltage difference, allowing it to do work. This is measured as charge per unit time, which is known as current. An example of such currents can be seen in a battery, where ions are responsible for the current, or in a wire, where electrons are responsible.
  • #1
aloshi
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If electric current is stated in Wikipedia:

"Electric power occurs when the electrical charge is transferred. Power is defined as charge per unit time. The charged particles are usually electrons, but can also be ions."

Does anyone have an example of such currents, the ions then? Would be grateful for answers!
 
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  • #2


aloshi said:
"Electric power occurs when the electrical charge is transferred.
Strictly it's when charge is transferred through a voltage difference so it can do work.
Charge moving in a superconductor isn't doing work. Neither is a cpacitor moving with a machine.

Power is defined as charge per unit time.
CURRENT is charge / time . Power is charge * voltage /time


Does anyone have an example of such currents, the ions then?
The current inside a battery would be due to ions moving, the current in a wire is due to electrons.
 
  • #3


I can provide a response to the definition of electric current as stated in Wikipedia. Electric current is defined as the flow of electric charge per unit time. This charge can be carried by charged particles, such as electrons or ions. An example of an electric current involving ions can be seen in electrolytic cells, where ions are transferred through a solution to create a flow of electricity. Another example is in plasma, where ions and electrons flow freely and create an electric current. I hope this helps to clarify the concept of electric current and its relation to ions.
 

FAQ: Are Ions Involved in Electric Currents?

What is electric current?

Electric current is the flow of electric charge through a conductive material, such as a wire. It is measured in amperes (A) and is represented by the symbol "I".

How is electric current different from voltage?

Electric current refers to the flow of charge, while voltage refers to the potential difference between two points. In other words, voltage is the driving force that causes electric current to flow.

What are the units of electric current?

As mentioned before, electric current is measured in amperes (A). However, it can also be measured in milliamperes (mA) or microamperes (μA).

How is electric current measured?

Electric current is measured using an ammeter, which is a device that is connected in series with the circuit and measures the flow of charge passing through a specific point in the circuit.

What are some examples of electric current?

Electric current is present in many everyday objects and devices, such as light bulbs, appliances, and electronics. It is also an essential part of electrical systems used for power generation, transmission, and distribution.

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