Physics · Power Systems
Which of the following materials are standardly used for constructing structural insulations (insulators) for overhead transmission towers and electric poles? i) Toughened glass ii) Porcelain iii) Micanite iv) Bakelite
- 1(i) and (ii) only✓
- 2(ii) and (iv) only
- 3(i), (ii) and (iv) only
- 4(ii), (iii) and (iv) only
Correct answer
(i) and (ii) only
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