A) low resistance and low melting point
B) low resistance and high melting point
C) high resistance and high melting point
D) high resistance and low melting point
Correct Answer: D
Solution :
The electric fuse is a device which is used to limit the current in an electric circuit. Thus, the use of fuse safeguards the circuit and the appliances connected in the circuit from being damaged. It is always connected with the live (or phase) wire. The fuse wife is a short piece of wire made of a material of high resistance and low melting point so that it may easily melt due to overheating when excessive current passes through it. Note: A fuse wire is an alloy made of tin and lead.
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