In the figure the potentiometer wire AB ...

In the figure the potentiometer wire AB of length L and resistance 9 r is joined to the cell D of e.m.f `epsilon` and internal resistance r. The emf of cell C is `epsilon/2` and its internal resistance is 2r.The galvanometer G will show on deflection when the length AJ is

`(4L)/9`

`(5L)/9`

`(7L)/18`

`(11L)/18`

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AAKASH INSTITUTE ENGLISH-Mock Test 28-EXAMPLE

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