Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part1 : 6 to 10
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
6.The metal having the lowest temperature coefficient of resistance is |
| gold |
| copper |
| aluminium |
| kanthal |
7.A perfect conductor has |
| zero conductivity |
| unity conductivity |
| infinite conductivity |
| none of the above |
8.Mercury as an electric contact material is |
| a liquid |
| a metal |
| a metal liquid |
| a gas |
9.Commonly used conducting materials are |
| copper |
| aluminium |
| both (a) and (b) |
| copper and silver |
10.In a superconductor the value of critical density depends upon |
| magnetic field strength |
| temperature |
| either (a) or (b) |
| both (a) and (b) |
More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages
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