Question

use of solder according to class x

Answer 1

solder is an alloy of tin and copper, it is used to fuse the metals together

Answer 2

Solder is obviously a key element in any form of electronics construction where soldering is undertaken. It provides a mechanical and electrical joint that is essential to keep components in place once a circuit has been assembled. While the mechanical strength is important, it is also necessary to ensure that the soldered joint provides a good electrical connection is made between the two connections that require joining. This can only be achieved satisfactorily if the medium, i.e. the solder joining the two conducts electricity well.