1. The most important safety method used for protecting home appliances from short circuiting or overloading is (a) earthing (b) use of fuse (c) use of stabilizers use of electric meter

• Soln:

Answer is (b) use of fuse

Explanation:

Fuse has have thin wire of short length made of tin and lead in the ratio of 75: 25%. When current exceeds specified limit fuse melts and breaks the circuits thereby protecting home appliances.