lead - free solder is made up of ______ solder. select one: a. tin b. copper c. silver d. all of the above
lead - free solder is made up of ______ solder. select one: a. tin b. copper c. silver d. all of the above
Answer
Brief Explanations:
Lead - free solders commonly use tin as the base metal. Copper and silver can also be components in lead - free solders. So lead - free solder can be made up of combinations involving tin, copper, and silver.
Answer:
d. All of the above