Current Electricity on Physics related Questions and Answers


Question :   A cell of internal resistance 3 ohm and emf 1 volt is connected to a uniform wire of length 500 em and resistance 3 ohm. The potential gradient in the wire is
1. 30 mV/cm
2. 1 mV/cm
3. 4 mV/cm
4. 20 mV/cm
Answer :   2 - 1 mV/cm  

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