$\begin {array} {1 1} (A)\;\large\frac{l}{3} & \quad (B)\;\large\frac{l}{2} \\ (C)\;\large\frac{2l}{3} & \quad (D)\;\large\frac{3l}{4} \end {array}$

Want to ask us a question? Click here

Browse Questions

Ad |

0 votes

0 votes

The student is expected to have an understanding of the construction of a potentiometer.

Potential gradient in the first case = $ \large\frac{E_0}{l}$

$ E=\large\frac{l}{3}$ $ \large\frac{E_0}{l}$ $ \large\frac{E_0}{3}$

In the second case $= \large\frac{2E_0}{\Large\frac{3l}{2}}$

$ E = (X) \large\frac{2E_0}{\Large\frac{3l}{2}}$

On solving these two equations, we get $ x = \large\frac{l}{2}$

Ans : (B)

Ask Question

Take Test

x

JEE MAIN, CBSE, NEET Mobile and Tablet App

The ultimate mobile app to help you crack your examinations

...