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1. |
A 2 volt battery, a \[15\,\Omega \] resistor and a potentiometer of 100 cm length, all are connected in series. If the resistance of potentiometer wire is \[5\,\Omega \], then the potential gradient of the potentiometer wire is [AIIMS 1982] |
A. | 0.005 V/cm |
B. | 0.05 V/cm |
C. | R/16 |
D. | 0.2 V/cm |
Answer» B. 0.05 V/cm | |