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Which of the following principle is utilized in the concept of cathodic protection?

Which of the following principle is utilized in the concept of cathodic protection? Correct Answer Principle of galvanic corrosion

Cathodic protection is a protection of a base structure metal by making it as a cathode. It can be protected by the use of sacrificial anode. The order of metals in the galvanic series is the basis for cathodic protection.

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