A material is said to have become superconductor when
A. Its resistance becomes negative
B. Its resistance becomes very small
C. Its resistance decreases
D. Its resistance becomes zero
Answer: Option D
Related Questions on Materials and Components
For making a capacitor it is better to have a dielectric having
A. High permittivity
B. Low permittivity
C. Permittivity same as that of air
D. Permittivity which is neither high nor low
As the viscosity of a liquid increases, the relaxation time
A. Remains constant
B. Increases
C. Decreases
D. First decreases then increases

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