Electric Current and its Effects — Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7ScienceElectric Current and its Effects1 Mark
MCQ
Fuse wire is generally made of:
✓
Tin and lead
B
Nickel and chromium
C
Nickel and copper
D
Chromium and silver
✓
Answer
Correct option: A.
Tin and lead
A fuse is an automatic means of removing power from a faulty system.
So, metals with low melting point and high resistance are used to make a fuse wire.
Therefore, tin or tin $-$ lead alloy whose melting point is low will be used in making fuse wire.
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