A Wheatstone network ABCD contains equal resistances P in the arms AB and CD and equal resistance Q in the arms AD and BC. A cell of e.m.f. 1 V and negligible resistance is connected across AC. Calculate the potential difference between B and D.

A series combination of three resistances 1 Omega, 2 Omega and 3 Omega is connected with a cell of emf 1.5 V and of negligible internal resistance. What is the terminal potential difference across the third resistance?

A resistor is fabricated by connecting two wires of the same material .The radii of the two wires are 1 mm and 3mm respectively and their lengths are 3 cm and 5 cm respectively. IF the two ends of the resistor are connected to the two terminals of a battery of emf 16 V and of negligible Internal resistance, what will be the potential difference between the two ends of the wire of shorter length?

A conductor of resistance 20 Omega having uniform cross sectional area is bent in the form of a closed ring. A cell of emf 1.5 V and of negligible internal resistance is joined to the ring between two points dividing the circumference of the ring in the ratio 3:1 Find the currents flowing through the two parts of the ring .

An infinite ladder network of resistances is constituted with 1Omega and 2Omega resistances as shown. The 6v battery between A and B has negligible internal resistance. (a) Show that the effective resistance between A and B is 3Omega .

The resistance of the four arms of a wheatstone bridge are 100Omega,10Omega,300Omegaand 30Omega respectively . A battery of emf 1.5 V and negligible internal resistance is connected to the bridge . Calculate the current flowing through each resistance .

ABCD is a Wheatstone bridge in which the resistanvely 2Omega , 4 Omega , 6Omega and 8Omega . The points A and C are connected to the termicals of a cell of emf 2 v and negligible internal resistance . The points B and D are connected to a galvanometer of resistance 50Omega . Using Kirchhoff's laws find the current flowing through the galvanometer .

A cell of emf 1.4V and internal resistance 2 Omega is connected in series with a resistance of 100 Omega and an ammeter. The resistance of the ammeter is 4/3 Omega .To measure the potential difference between the two ends of the resistance a voltmeter is connected IF the reading of the voltmeter is 1.10V, what will be its error?