Hamad Electrical Engineering Materials 09/02/2021 A. overhead telephone wire B. earth wire C. core wire of ACSR D. all of the above Related Mcqs: The superconductivity is due to____________?A. the crystal structure having no atomic vibration at 0°K B. all electrons interact in the super-conducting state C. the electrons jump into nucleus at 0°K D. none of the above... At transition temperature the value of critical field is____________?A. zero B. negative real value C. positive real value D. complex value... Most of the common metals have _________ structure?A. linear B. hexagonal C. orthorhombic D. cubic... Substances whose specific resistance abruptly decreases at very low temperature are called___________?A. insulators B. conductors C. semiconductors D. superconductors... Which of the following factors affect resistivity of metals ?A. Age hardening B. Alloying C. Temperature D. Cold work E. All of the above...
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