A potentiometer wire AB having length L and resistance 12r is joined to a cell D of EMF ϵ and internal resistance r. A cell C having emf \(\frac{\epsilon}{2}\) and internal resistance 3r is connected. The length AJ at which the galvanometer as shown in figure shows no deflection is

A potentiometer wire AB having length L and resistance 12r is joined t

1.	A potentiometer wire AB having length L and resistance 12r is joined to a cell D of EMF ϵ and internal resistance r. A cell C having emf \(\frac{\epsilon}{2}\) and internal resistance 3r is connected. The length AJ at which the galvanometer as shown in figure shows no deflection is
A.	\(\frac{5}{{12}}L\)
B.	\(\frac{{11}}{{12}}L\)
C.	\(\frac{{13}}{{24}}L\)
D.	\(\frac{{11}}{{24}}L\)
Answer» D. \(\frac{{11}}{{24}}L\)

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A potentiometer wire AB having length L and resistance 12r is joined to a cell D of EMF ϵ and internal resistance r. A cell C having emf \(\frac{\epsilon}{2}\) and internal resistance 3r is connected. The length AJ at which the galvanometer as shown in figure shows no deflection is

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