The nature of fuse wire is
(A) high resistance and low melting point.
(B) high resistance and high melting point.
(C) low resistance and high melting point.
(D) low resistance and low melting point.
Correct Answer : high resistance and low melting point.
Question Asked : SSC Combined Matric Level (Pre) Exam 1999, SSC CGL Tier-I Exam 2015
A fuse or fusable link works by opening an electrical circuit when the current becomes too high. As the current increases, the temperature of the wire increases. So a fuse wire should have a low melting point and should be connected in series with the appliance. Besides, it should have a comparatively low resistance and high conductivity. ....Read more
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