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ten identical cells connected in series are needed to heat a wire of length one metre and radius r by 10degree C in time t .How many cells will e required to heat the wire of length two meter of the same radius by the same temp in time 't'

Answer» ten identical cells connected in series are needed to heat a wire of length one metre and radius r by 10degree C in time t .How many cells will e required to heat the wire of length two meter of the same radius by the same temp in time 't'


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