EMF and internal resistance of a cell | Wheatstone Bridge | Nodal analysis problems

Balanced Wheatstone Bridge

Extended Wheatstone Bridge

Questions|Wheatstone Bridge

Wheatstone bridge can be used

Circuits Based On Wheatstone Bridge

KCL & KVL|| Combination OF Resistance||Wheatstone Bridge

In order to measure internal resistance r1 of a cell emf E, a meter bridge of wire resistance R_0 = 50 Omega , a resistance R_0/2 another cell of emf E/2 and galvanometer G are used in circuit. If null point is founded at l = 72cm. then value of r1

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Wheatstone Bridge and Symmetry Circuit