A fuse is used in main electric supply as a safety device. Which one of the following statements about the fuse is correct?
A. It is connected in parallel with the main switch
B. It is made mainly from silver alloys
C. It must have a low melting point
D. It must have a very high resistance
Answer: Option C
Related Questions on Electricity and Magnetism
What will be the total resistance of the three 20-Ω coils connected in series?
A. 40 Ω
B. 20 Ω
C. 60 Ω
D. 800 Ω
Superconductors are substances which
A. conduct electricity at lower temperature
B. offer high resistance to the flow of current
C. offer not resistance to the flow of current
D. conduct electricity at high temperature

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