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The figure below shows a circuit diagram. The emf of the cell is 1.5V. When the switch is closed, the voltmeter reads 1.3V and the ammeter...

      

The figure below shows a circuit diagram. The emf of the cell is 1.5V. When the switch is closed, the voltmeter reads 1.3V and the
ammeter reads 0.8A.
53120191345.png
Determine the internal resistance of the cell.

  

Answers


sharon
E = V + Ir
1.5 = 1.3 + 0.8r
r = 0.25 ohms
sharon kalunda answered the question on May 31, 2019 at 10:46


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