A copper wire 100 cm long and of diameter 1mm is connected in series with another thinner copper wire of 400 cm.When a certain current passes through them, a terminal potential difference of two wire are 4 volt and 100 volt. Calculate the diameter of inner wire
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When a certain current passes through them, a terminal potential difference of two wire are 4 volt and 100 volt. Calculate ... please make me brainlist
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