The four arms of Wheatstone bridge (See figure) have the following resistance:
AB =10 Ω, BC= 10Ω , CD= 5Ω and DA =Ω
A galvanometer of 15R = 2Ω +4Ω +1Ω = 7Ω resistance is connected across BD. Calculate the current through the galvanometer when a potential difference of 10 V is maintained across AC.
