MCQOPTIONS
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| 1. |
125 cm of potentiometer wire balances the emf of a cell and 100 cm of the wire is required for balance, if the poles of the cell are joined by \[2\Omega \]resistor. Then the internal resistance of the cell is |
| A. | \[0.25\Omega \] |
| B. | \[0.5\Omega \] |
| C. | \[0.75\Omega \] |
| D. | \[1.25\Omega \] |
| Answer» C. \[0.75\Omega \] | |