Physics · 2026
JEE Main · 23 January 2026, Shift 2 · Q26
To compare EMF of two cells using potentiometer the balancing lengths obtained are 200 cm and 150 cm. The least count of scale is 1 cm. The…
To compare EMF of two cells using potentiometer the balancing lengths obtained are $\displaystyle 200$ cm and $\displaystyle 150$ cm. The least count of scale is $\displaystyle 1$ cm. The percentage error in the ratio of EMFs is $\displaystyle \_\_\_\_$
Official answer
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JEE Main 2026 Physics question, with the answer from NTA’s final answer key. Where our answers come from.