A skeleton tube is made of 12 wires each of resistance `ROmega` is connected to a cell of emf E and of negotiable internal resistance. Use Kirchhoff's laws to find the resistance between:- diagonally opposite corners of the same face of the cube is across face diagonal.

A skeleton tube is made of 12 wires each of resistance ROmega is connected to a cell of emf E and of negotiable internal resistance. Use Kirchhoff's laws to find the resistance between:- diagonally opposite corners of the cube.

A skeleton cube is made of 12 wires, each of resistance R. The resistance between any two adjacent comers of the cube is

Twelve wires ,each of resistance 6 Omega are connected to form a cube. The effective resistance between two diagonally opposite corners of the cube is

A lead resistance R is connected across a cell of emf E and internal resistance r. If the closed circuit p.d. across the terminals of the cell is V the internal resistance of the cell is.

A voltmeter having a resistance of 50 Omega is connected across a cell of e.m.f. 2V and internal resistance 10 Omega . The reading of the voltmeter,

A cell of e.m.f. 3 V and internal resistance 4 Omega is connected to two resistances of 10 Omega and 24 Omega joined in parallel. Find the current through each resistance using Kirchhoff's laws

A potentiometer wire of length 1m and resistance 10 Omega is connected in series with a cell of emf 2V with internal resistance 1 Omega and a resistance box including a resistance R. If potential difference between the ends of the wire is 1 mV, the value of R is

A cell of emf 1.1 V and internal resistance r is connected across as external resister of resistance 10r. Find the potential difference across the external resistor.

A potentiometer wire of length 4 m and resistance 8 Omega is connected in, series with a battery of e.m.f. 2 V and negligible internal resistance. If the e.m.f. of cell balances against length of 217 cm of the wire, find the e.m.f. of cell. When the cell is shunted by assistance of 15 Omega ,the balancing length is reduced to 200 cm. Find the internal resistance of the cell

A potentiometer wire of length 10 m and resistance 9 ohm is connected to a battery of e.m.f. 2.1 volt having internal resistance 1.5 Omega . Find the potential gradient along the wire and the balancing length for a cell of e.m.f. 1.08 volt .