Three students (A), (B) and (C) connect their two given resistors `R_(1)` and `R_(2)` in the manners shown below :

They connect the terminals marked X and Y above to the terminals marked X and Y in the circuit given below:

The record the Ammeter readings (I) for different positions of the rheostat and the corresponding Voltmeter readings (V).
The average value of the ratio V/I in their observations would be minimum for :

Options

A. students (A) and (B) only
B. students (B) and (C) only
C. students (C) and (A) only
D. student (A) only

Answer

B

Explanation

NA