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    				| 1. | A student used the set up given here to study the dependence of current (I) on the potential difference (V) across a resistor. He kept the contact C in four different positions marked as P,Q,R and S in the figure. On calculating the values of the ratio (V)/(I) for his four readings, he would find that the value of this ratio : | 
| Answer» for contact at POINT P is `(1)/(4)TH` of that of contact at point S. | |