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Superconductors are substances which

Superconductors are substances which Correct Answer offer no resistance to the flow of electricity

By definition, superconductors are substances which display zero electrical resistance when a current is supplied, and are able to propagate such a current in a circuit indefinitely.

Related Questions

Consider the following statements: 1. Type-I superconductors undergo an abrupt transition to the normal state above a critical magnetic field. 2. Type-II superconductors are highly technologically useful superconductors because the incidence of a second critical field in them is useful in the preparation of high field electromagnets. Which of the above statements is/are correct?
Consider the following statements: 1. Superconductors exhibit normal conductivity behaviour above a transition temperature Tc 2. Superconductors lose their superconducting nature in an external magnetic field, provided the external magnetic field is above a critical value. 3. High Tc, superconductors have T, values in the range 1 to 10 K. Which of the above statements are correct?
1. A Judicial Magistrate First Class can authorize the detention in custody, of a person accused of an offence triable by Special Court established under The Narcotic Drugs and Psychotropic Substances Act, 1985, for a period not exceeding fifteen years.
2. The Special Court established under The Narcotic Drugs and Psychotropic Substances Act, 1985, cannot exercise the power to authorize the detention of accused in custody, as enunciated under Section 167 of Code of Criminal Procedure.
3. The definition of 'use' under Section 2(xxviii-a) of The Narcotic Drugs and Psychotropic Substances Act, 1985, excludes personal consumption of narcotic drugs and psychotropic substances.
4. The High Court, by special order, may constitute as many Special Courts under The Narcotic Drugs and Psychotropic Substances Act, 1985, as necessary.
Which of the above statements are correct?
Consider the following aspects of substances involved in a chemical reaction: A. Physical state of all the substances  B. Number of molecules of all substances  C. Number of atoms of each substance D. Sum of masses of all atoms of substances  Which of the above remain the same before and after a chemical reaction has taken place? 
Which of the following statements are true regarding diamagnetic substances? (i) Diamagnetic substances are feebly repelled by magnets (ii) Diamagnetic substances move from stronger field side to weaker field side (iii) Permeability of diamagnetic substances is greater than one. (µ > 1)
Type-I superconductors are also called soft superconductors because
Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph. P. The newly discovered substances emitting radiations were called radioactive substances. Q. This property of emitting radiations spontaneously by these substances was named radioactivity. R. Since then many radioactive substances have been discovered. S. Some occur naturally while others are produced artificially.
Sentences of a paragraph are given below in jumbled order. Arrange the sentences in the right order to form a meaningful and coherent paragraph. A. This whole process of breakdown of complex components of food into simpler substances is called digestion B. These complex substances cannot be utilized as such.  C. The components of food such as carbohydrates are complex substances. D. So they are broken down into simpler substances.
Mark the incorrect statement regarding Autotrophic nutrition. 1. Carbon and energy requirements of the autotrophic organism are fulfilled by photosynthesis 2. It is process by which autotrophs take in substances from the outside and convert them into stored forms of energy. 3. Substances are taken in the form of carbon dioxide and methane which is converted into fats in the presence of sunlight and chlorophyll.
Which of these substances is produced by the liver which is vital in excretion of waste substances?