When a new dry cell is connected in series with a 2.7 ohms resistor, a current of 0.5A flows in the circuit. Determine the internal resistance...

      

When a new dry cell is connected in series with a 2.7 ohms resistor, a current of 0.5A flows in the circuit. Determine the internal resistance of the cell.

  

Answers


joseph
E = IR + Ir
1.5v = 0.5 x 2.7 + 0.5r
1.5 – 1.35 = 0.5r
r = 0.3O

joseph rimiru answered the question on January 7, 2018 at 17:43


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