Find the minimum number of cell required to produce an electron current of `1.5A` through a resistance of `30 Omega` .Given that the emf internal resistance of each cell are `1.5 V` and `1.0 Omega` respectively

Find the minimum number of k cells required to produce a current of 1.5A through a resistance of 30Omega. Given that the emf of each cell is 1.5V and the internal resistance is 1Omega

The minimum number of cells in mixed grouping required to produced a maximum curret of 1A through external resistance of 20Omega given the emf of each cell is 2 V and internal resistance 1Omega is

In a mixed grouping of identical cells, five rows are connected in parallel and each row contains 10 cells. This combination sends a current I through an external resistance of 20Omega. if the emf and internal resistance of each cell is 1.5 V and 1 Omega, respectively then find the value of I.

A cell of emf 2V produces 0.3A current when connected to a resistor of 5Omega . Calculate the terminal voltage and internal resistance of the cell.

The internal resistance of a 2.1 V cell which gives a current 0.2 A through a resistance of 10 Omega

A cell of emf epsilon and internal resistance r gives a current of 0.5 A with an external resistance of 12 Omega and a current of 0.25 A with an external resistance of 25 Omega . Calculate (a) internal resistance of the cell and (b) emf of the cell.

It is required to send a current of 10 A through a resistance R = 3 Omega . (a) What is the minimum number of cells required if each cell has an emf of 10 V and internal resistance 1 Omega . (b) Find the power dissipated in R.