Why do the sacrificial anodes on a boat corrode instead of the ship’s hull?

What is a “sacrificial anode”?

What is the sacrificial anode for iron?

What happens if I do electrolysis with a sacrificial anode present?

On small boats, what are sacrificial anodes used for?

What is the sacrificial anode method?

What are some examples of sacrificial anodes for iron?

What’s a sacrificial anode on a water tank?

Which is a better sacrificial anode, zinc or aluminum?

Why is zinc coating on iron called a sacrificial anode?

How long do sacrificial anodes last?

Why do the sacrificial anodes on a boat corrode instead of the ship’s hull?

How do sacrificial anodes help in preventing galvanic corrosion?

What is the difference between a sacrificial anode and an impressed current?

How does a sacrificial anode works and give an example?

How do you know the zinc sacrificial anodes are functioning well?

What is the difference between/compare galvanising and sacrificial anodes? Which is better?

How do sacrificial zinc anodes work to prevent corrosion of other metals, such as a boat hull/motor in salt water?

Why are metal anodes fitted externally to a ship’s hull?