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Each of the two bulbs takes 2A current at 50V supply. They are joined in series .How much resistance should be added in series with the lamps so that on connecting then with 120V supply , a current of 2A flows through each of them ?

Answer» Each of the two bulbs takes 2A current at 50V supply. They are joined in series .How much resistance should be added in series with the lamps so that on connecting then with 120V supply , a current of 2A flows through each of them ?


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