Current Electricity on Physics related Questions and Answers


Question :   The internal resistance of a cell of emf 12 V is 5 x 10 -2 Ω . It is connected across an unknown resistance. Voltage across the cell, when a current of 60 A is drawn from it, is
1. 15 V
2. 12 V
3. 6 V
4. 15 V
Answer :   4 - 15 V  

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