A dry cell of emf 1.6V and internal resistance 0.10 ohm is connected to a resistor of resistance R ohm. If the current drawn from the cell is 2A.

A dry cell of emf 1.6V and internal resistance of 0.10 Omega is connected to a resistor of resistance R omega . If the current drawn the cell is 2A , then (i) What is the voltage drop across R ? (ii) What is the rate of energy dissipation in the resistor ?

A cell of emf 2 V and internal resistance 0.1Ohm is connected to a 20 Ohm resistor .What is the current in the circuit ?

In a circuit a cell with internal resistance r is connected to an external resistance R. The condition for the maximum current that drawn from the cell is

In a circuit a cell with internal resistance r is connected to an external resistance R. The condition for the maximum current that drawn from the cell is

Four cells each of emf 2V and internal resistance 1 ohm are connected in parallel with an external resistance of 6 ohm. The current in the external resistance is

Four cell each of emf 2 V and internal resistance 1 ohm are connected n parallel with an external resistance of 6 ohm. The current in the external resistance is

A cell of e.m.f. 2V and internal resistance 0.5Omega is connected across a resistor R. The current that flows is same as that, when a cell of e.m.f. 1.5V and internal resistance 0.3Omega is connected across the same resistor. Then

Twenty four cells each of emf 1.5 V and internal resistance 0.5 ohms are to be connected to a 3 ohm resistance. For maximum current through this resistance the nuber of rows and number of columns that you connect these cells is.