For example, the “positive” electrode within the Galvanic cell is its “cathode”, but the “constructive” electrode in the case ofelectrolysisis its “anode”. Electrically connect a less noble metallic like zinc, and this turns into the anode, defending the opposite metals from corrosion. In brackish water, the Baltic for instance, you will want a more reactive steel, corresponding to magnesium, to supply correct safety.
When Benjamin Franklin was finding out charges, the construction of an atom and atomic particles were unknown. Hence he assumed the purpose of charge accumulation as constructive and the purpose which is poor of expenses as unfavorable. Therefore, the charge is alleged to flow from constructive to adverse.
The terminal at which present enters a major cell or storage battery; it is constructive with respect to the device, and unfavorable with respect to the external circuit. The above two examples ought to clarify that the termsanode andcathodedo … Read More