everyday science MCQ #5662

Fuse wire is made of:

everyday science MCQ #5662

  1. Question 1

    Q1. Fuse wire is made of:

    • A) 63 percent tin and 37 percent lead
    • B) 63 percent lead and 37 percent tin
    • C) 63 percent tin and 37 percent aluminium
    • D) 63 percent lead and 37 percent aluminium

    Answer: 63 percent tin and 37 percent lead

    Explanation: Fuse wire is an alloy of 63% tin and 37% lead because this composition gives a low melting point (~183°C), ensuring the fuse melts and breaks the circuit before dangerous overcurrent damages equipment.