If the resistance of a conductor does not vary in accordance with Ohm’s law it is known as____________?

A. non-linear conductor
B. reverse conductor
C. bad-conductor
D. non-conductor

Which of the following is an advantage of stranded conductor over equivalent single conductor ?
A. Less liability to kink B. Greater flexibility C. Less liability to break D. All of the above...
A perfect conductor has_____________?
A. zero conductivity B. unity conductivity C. infinite conductivity D. none of the above...
The conductivity of a conductor can be increased by_______________?
A. decreasing its temperature B. increasing its temperature C. decreasing its vibration D. increasing its vibration...
The structure sensitive property of a super conductor is______________?
A. critical magnetic field B. transition temperature C. critical current density D. none of the above...
Which of the following is the poorest conductor of electricity ?
A. Carbon B. Steel C. Silver D. Aluminium...
Which of the following materials is the best conductor of electricity ?
A. Tungsten B. Aluminium C. Copper D. Carbon...
Steel wire is used as____________?
A. overhead telephone wire B. earth wire C. core wire of ACSR D. all of the above...
The metal having the lowest temperature coefficient of resistance is_________________?
A. gold B. copper C. aluminium D. kanthal...
Which of the following resistive materials has the lowest temperature co-efficient of resistance ?
A. Nichrome B. Constantan C. Kanthal D. Molybdenum...
Substances whose specific resistance abruptly decreases at very low temperature are called___________?
A. insulators B. conductors C. semiconductors D. superconductors...