Answer
The corrosion rate will be higher on small anode-to-cathode area ratio than for a large ratio. This is because for some given current flow associated with the corrosion reaction, for a small area ratio, the current density at the anode will be greater than for a large ratio. The corrosion rate is proportional to the current density according to corrosion rate equation.
Work Step by Step
The corrosion rate will be higher on small anode-to-cathode area ratio than for a large ratio. This is because for some given current flow associated with the corrosion reaction, for a small area ratio, the current density at the anode will be greater than for a large ratio. The corrosion rate is proportional to the current density according to corrosion rate equation.