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(a) Name the material of which a lightning conductor is made. (b) What is the shape of the top end of a lightning conductor ? (c) Where is the upper end of the lightning conductor fixed in a building ? (d) Where is the lower end of the lightning conductor fixed and how ? |
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Answer» (a) Name the material of which a lightning conductor is made. (b) What is the shape of the top end of a lightning conductor ? (c) Where is the upper end of the lightning conductor fixed in a building ? (d) Where is the lower end of the lightning conductor fixed and how ? |
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