Teaching Punjab Pre Primary Teacher Test Series 2020 Physics Current, Resistance and Electricity Temperature Dependence of Resistivity
Which of the following/s is not a property of fuse
1) The conductivity of the fuse wire must be high
2) The melting point of the fuse is high
3) It is a protective equipment
4) It can be made up of an alloy of lead & tin
1
Only 1
2
Only 2
3
Only 1 and 2
4
All of the above