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Sahay Sir > Question Answers > Arihant Physics by D.C Pandey > Volume 2 > Chapter 3 - Current Electricity > A potentiometer wire AB having length L and resistance 12 r is joined to a cell D of emf ε/2 and internal resistance 3r is connected. The length AJ at which the galvanometer as shown in fig shows no deflection is :

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

Determine the charge on the capacitor in the following circuit :