Two batteries of e.m.f. `4V` and `8V` with internal resistances `1 Omega` and `2 Omega` are connected in a circuit with a resistance of `9 Omega` as shown in figure. The current and potential difference between the points `P` and `Q`

Two batteries of e.m.f. 4V and 8V with internal resistances 1 Omega and 2 Omega are connected in a circuit with a resistance of 9 Omega as shown in figure. The current and potential difference between the points A and B

Two batteries of e.m.f4 V and 8 V with internal resistance of 1 Omega and 2 Omega are connected in a circuit with a resistance of 9 Omega as shown in the figure . The current and potential difference between the point P and Q are

Two batteries of emf 4 V and 8 V with internal resistances 1Omega and 2Omega are connected in a circuit with a resistance of 9Omega as shown in figure. The current and potential difference between the points P and Q are

Two batteries of emf 4 V and 8 V with internal resistances 1Omega and 2Omega are connected in a circuit with a resistance of 9Omega as shown in figure. The current and potential difference between the points P and Q are

Two batteries of e.m.f. 4 V and 8 V with internal resistance 1Omega and 2Omega are connected in a circuit with a resistance of 9Omega as shown in figure. The current and potential difference between the points P and Q are respectively

A circuit consists of three batteries of emf E_1 = 1 V, E_2 = 2 V and E_3 = 3 V and internal resistances 1Omega, 2 Omega and 1 Omega respectively which are connected in parallel as shown in the figure. The potential difference between points P and Q is

A circuit consists of three bateries of emf E_(1) = 1V, E_(2)=2V and E_(3)=3V and internal resistance 1Omega, 2Omega and 1Omega respectively which are connected in parallel as shown in figure. The potential difference between points P and Q is

A circuit consists of three bateries of emf E_(1) = 1V, E_(2)=2V and E_(3)=3V and internal resistance 1Omega, 2Omega and 1Omega respectively which are connected in parallel as shown in figure. The potential difference between points P and Q is

Two batteries one of the emf 3V , internal resistance 1Omega and the other of emf 15 V , internal resistance 2Omega are connected in series with a resistance R as shown. If the potential difference between points a and b is zero, the resistance R in Omega is