What is in substance that makes it super conductor substance?
A. The value of resistance is negative
B. The value of resistance is very low
C. The value of resistance is very high
D. The value of resistance will be zero
Answer: Option D
A. The value of resistance is negative
B. The value of resistance is very low
C. The value of resistance is very high
D. The value of resistance will be zero
Answer: Option D
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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