In an electric circuit, a cell of certain emf provides a potential difference of 1.25 V across a load resistance of 5 Ω. However, it provides a potential difference of 1 V across a load resistance of 2 Ω. The emf of the cell is given by x/10V. Then the value of x is _ _ _ _ _ _ _.

Current Electricity: JEE Main 2021 Physics question

JEE Main 2021 · 22 Jul, Evening shift · Q57

JEE Main 202122 Jul, Evening shiftPhysicsMediumCurrent Electricity150× since 2002

In an electric circuit, a cell of certain emf provides a potential difference of 1.25 V across a load resistance of 5

\Omega

. However, it provides a potential difference of 1 V across a load resistance of 2

\Omega

. The emf of the cell is given by

{x \over {10}}V

. Then the value of x is ______________.

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2021 Current Electricity Question with Answer (22 Jul Evening shift, Q57) | JEE Arc