Two batteries A and B whose emf is 2V are connected in series with external resistance `R=1Omega`. Internal resistance of battery A is `1.9Omega` and that of B is `0.9 Omega`.

Two batteries A and B each of e.m.f. 2V are connected in series to an external resistance R = 1 Omega . If the internal resistance of battery A is 1.9 Omega and that of B is 0.9 Omega . What is the potential difference between the terminals of battery A ?

Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9 ohms and that of B is 0.9 ohm , what is the potential difference between the terminals of battery A

Two batteries A and B each of e.m.f. 2 V are connected in series to an external resistance R = 1 ohm . If the internal resistance of battery A is 1.9 ohms and that of B is 0.9 ohm , what is the potential difference between the terminals of battery A

A 4 m long wire of resistance 8Omega is connected in series with a battery of emf 2V and a resistor of 7Omega . The internal resistance of the battery is 1Omega . What is the potential gradient along the wire ?

Two batteries with emf 12V and 13V are connected in parallel across a load resistor of 10Omega . The internal resistances of the two batteries are 1 Omega and 2 Omega respectively. The voltage across the load lies between

Two batteries with emf 12 V and 13V are connected in parallel across a load resistor of 10Omega . The internal resistances of the two batteries are 1Omega and 2Omega respectively . The voltage across the load lies between

Two batteries with emf 12 V and 13V are connected in parallel across a load resistor of 10Omega . The internal resistances of the two batteries are 1Omega and 2Omega respectively . The voltage across the load lies between

A battery of EMF E produces currents 4 A and 3 A when connected to external resistance 1 Omega and 2 Omega respectively. The internal resistance of the battery is

A battery of EMF E produces currents 4 A and 3 A when connected to external resistance 1 Omega and 2 Omega respectively. The internal resistance of the battery is

A battery of emf 2V and internal resistance 0.5(Omega) is connected across a resistance in 1 second?