National 5 Practical Electronics Practice Questions - National 5 Practical Electronics (Scotland) Exam

What does 'tinning' a soldering iron tip involve?

Cleaning and applying a thin layer of fresh solder to the tip before and after use Filing the tip down with sandpaper to expose bare copper Dipping the hot tip into cold water to rapidly harden the metal Coating the tip with non-conductive epoxy resin to prevent thermal transfer

Correct Answer:

Cleaning and applying a thin layer of fresh solder to the tip before and after use

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