JEE Main 11 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 25 of 90

Marks: +1, -0

The resistance of the meter bridge AB is given figure is 4Ω. With a cell of emf ε = 0.5 V and rheostat resistance Rh = 2 Ω the null point is obtained at some point J. When the cell is replaced by another one of emf ε = ε2 the same null point J is foundfor Rh = 6 Ω. The emf ε2 is;

[11 Jan 2019 Shift 1]

0.6 V
0.5 V
0.3 V
0.4 V

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