Failed to connect to MySQL: Access denied for user 'examnext_online'@'localhost' (using password: YES) In the figure, the petentiometer wire AB of length L and resistance 9r is joined to the cell D of emf `epsilon` and internal resistance. The cell C’s emf is `epsilon/2` and its internal resistance is 2r. The galvanometer G will show no deflection when the length AJ is - Sarthaks eConnect

In the figure, the petentiometer wire AB of length L and resistance 9r is joined to the cell D of emf `epsilon` and internal resistance. The cell C’s emf is `epsilon/2` and its internal resistance is 2r. The galvanometer G will show no deflection when the length AJ is:

In the figure, the petentiometer wire AB of length L and resistance 9r is joined to the cell D of emf `epsilon` and internal resistance. The cell C’s emf is `epsilon/2` and its internal resistance is 2r. The galvanometer G will show no deflection when the length AJ is:

A.

`(4L)/9`

B.

`(5L)/9`

C.

`(7L)/18`

D.

`(11L)/18`