MCQOPTIONS
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| 1. |
The e.m.f. of a cell is E volts and internal resistance is \[r\] ohm. The resistance in external circuit is also\[r\] ohm. The p.d. across the cell will be [CPMT 1985; NCERT 1973] |
| A. | E/2 |
| B. | 2E |
| C. | 4E |
| D. | E/4 |
| Answer» B. 2E | |