

MCQOPTIONS
Saved Bookmarks
1. |
The e.m.f. of a standard cell balances across 150 cm length of a wire of potentiometer. When a resistance of \[2\,\Omega \] is connected as a shunt with the cell, the balance point is obtained at \[100\,cm\]. The internal resistance of the cell is [MP PET 1993] |
A. | \[0.1\,\Omega \] |
B. | \[1\,\Omega \] |
C. | \[5\,V/m\] |
D. | \[0.5\,\Omega \] |
Answer» C. \[5\,V/m\] | |