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  3. 3 a wire of length l and 3 identical cells of negl

3 A wire of length L and 3 identical cells of negligible internal resistances are...

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3 A wire of length L and 3 identical cells of negligible internal resistances are connected in series Due to the current the temperature of the wire is raised by AT in time t N number of similar cells is now connected in series with a wire of the same material and cross section but of length 2L The temperature of the wire is raised by the same amount AT in the same time t The value of N is A 4 B 6 C 8 D 9 A O B C

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