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A wire of a given material having length l and area of cross-sectional A has a resistance of 4 Ω. What would be the resistance of another wire of the same material having length l2 and area of cross-section 2A? |
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Answer» A wire of a given material having length l and area of cross-sectional A has a resistance of 4 Ω. What would be the resistance of another wire of the same material having length l2 and area of cross-section 2A? |
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