Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part4 : 11 to 15
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
11.Superconducting metal in super conducting state has relative permeability of |
| zero |
| one |
| negative |
| more than one |
12.Surface resistance of an insulating material is reduced due to the |
| smoky and dirty atmosphere |
| humidity in the atmosphere |
| both (a) and (b) |
| neither (a) nor (b) |
13.Spark plug makes use of which of the following materials for insulation ? |
| Porcelain |
| Slate |
| Asbestos |
| Glass |
More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages
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