MCQOPTIONS
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| 1. |
In a potentiometer circuit there is a cell of e.m.f. 2 volt, a resistance of 5 ohm and a wire of uniform thickness of length 1000 cm and resistance 15 ohm. The potential gradient in the wire is [MP PMT 1994] |
| A. | \[\frac{1}{500}V/cm\] |
| B. | \[\frac{3}{2000}V/cm\] |
| C. | \[\frac{3}{5000}V/cm\] |
| D. | \[\frac{1}{1000}V/cm\] |
| Answer» C. \[\frac{3}{5000}V/cm\] | |