The voltage is the difference of the electromagnetic potential between the electrodes. The difference of available charges if you like or more precisely energy per charge. Whether this is positive or negative depends on how you wired them. The positive electrode (anode) attracts electrons and the negative electrode (cathode) releases them.Kuzon said:I'm so confused, is the voltage reading of the meter gathered by:
positive electrode charge - negative electrode charge = potential difference
I don't get why there is a positive and negative electrode and what they do
The positive and negative electrodes are used in batteries and other electrochemical devices to store and release electrical energy. They are essential components that allow for the flow of electrons, which is what produces an electric current.
Positive electrodes have a net positive charge, meaning they have more protons than electrons. Negative electrodes have a net negative charge, meaning they have more electrons than protons. This difference in charge is what allows for the flow of electrons and the production of electricity.
No, positive and negative electrodes cannot be interchanged. The polarity of the electrodes is crucial for the proper functioning of batteries and other electrochemical devices. If the electrodes are switched, the flow of electrons will be disrupted and the device will not work.
The materials used for positive and negative electrodes vary depending on the type of battery or device. Common materials for positive electrodes include nickel, manganese, and cobalt, while common materials for negative electrodes include lithium, zinc, and cadmium.
The difference between positive and negative electrodes plays a significant role in determining the voltage and energy output of a battery. The materials and design of the electrodes can also impact the battery's capacity and lifespan. In general, a larger difference in charge between the electrodes typically results in a more powerful and long-lasting battery.