When an external resistance of 5 Ω is connected across terminals of a cell, a current of 0.25 A flows through it. When the 5 Ω resistor is replaced by a 2 Ω resistor, a current of 0.5 A flows through it. The internal resistance of the cell is _ _ _ Ω.

Current Electricity: JEE Main 2026 Physics question

JEE Main 2026 · 5 Apr, Evening shift · Q49

JEE Main 20265 Apr, Evening shiftPhysicsMediumCurrent Electricity150× since 2002

When an external resistance of

5\ \Omega

is connected across terminals of a cell, a current of 0.25 A flows through it. When the

5\ \Omega

resistor is replaced by a

2\ \Omega

resistor, a current of 0.5 A flows through it. The internal resistance of the cell is ______

\Omega

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2026 Current Electricity Question with Solution (5 Apr Evening shift, Q49) | JEE Arc