A fuse wire is characterised by
A. high resistance and high melting point
B. low resistance and high melting point
C. high resistance and low melting point
D. low resistance and low melting point
Answer: Option C
A. high resistance and high melting point
B. low resistance and high melting point
C. high resistance and low melting point
D. low resistance and low melting point
Answer: Option C
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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