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10 identical cells are connected in series to heat the wire of length 1m and radius r by 10 C at time t. How many cells are required to heat the wire of length 2m of same radius by the same temperature at time t?

Answer» 10 identical cells are connected in series to heat the wire of length 1m and radius r by 10 C at time t. How many cells are required to heat the wire of length 2m of same radius by the same temperature at time t?


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