JEE Main 10 Jan 2019 Shift 1 Solved Paper

Section: Physics

Question : 19 of 90

Marks: +1, -0

A potentiometer wire AB having length L and resistance 12 r is joined to a cell D of emf ε and internal resistance r. A cell C having emf ε/2 and internal resistance 3r is connected. The length AJ at which the galvanometer as shown in fig. shows no deflectionis :

[10 Jan 2019 Shift 1]

5
12
L
11
24
L
11
12
L
13
24
L

Validate

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