A galvanometer together with an unkonwn resistance in series is connected across two identical cells, each of emf 1.5 V. When the cells are connected inseries, the galvanometer records a current of 1 A and when the cells are connected in parallel, the current =0.6 A. What is the internal resistance of each cell ?

A galvanometer, together with an unknown resistance in series, is connected across two identical batteries of each 1.5 V . When the batteries are connected in series,the galvanometer records a current of 1 A , and when the batteries are connected in parallel, the current is 0.6 A . In this case, the internal resistance of the battery is 1//'**' Omega . What is the value of '**'?

Two identical cells connected in series send 1.0A current through a 5 Omega resistor. When they are connected in parallel, they send 0.8 A current through the same resistor. What is the internal resistance of the cell?

A galvanometer connected with an unknown resistor and two identical cells in series each of emf 2 V shows a current of 1 A. If the cells are connected in parallel, it shows 0.8 A. Then the internal resistance of the cell is

If n cells each of emf E and internal resistance rare connected in parallel, then the total emf and internal resistances will be

When galvanometer of unknown resistance connected across a series combination of two identical batteries each of 1.5 V, the current through the resistor is 1A. When it is connected across parallel combination of the same batteries, the current through it is 0.6 A. The internal resistance of each battery is

Two identical cells whether connected in parallel or in series gives the same current, when connected to an external resistance 1.5Omega . Find the value of internal resistance of each cell.

Three identical cells each of 2 V and unknow internal resistance are connected in parallel. This combination is connected to a 5 ohm resistor. IF the terminal voltage across the cell is 1.5 volt, what is the internal resistance of each cell?

When a resistance of 2 ohm is connected across terminals of a cell, the current is 0.5 A . When the resistance is increased to 5 ohm, the current is 0.25 A The e.m.f. of the cell is