In the circuit shown in Fig the sources have `emf's xi_(1) = 1.0 V` and `xi_(2) = 2.5 V` and the resistances have the values `R_(1) = 10 Omega` and `R_(2) = 20 Omega`. The internal resistances of the sources are neglibile . Find a potential differences `varphi_(A) - varphi_(B)` between the plates `A` and `B` of the capacitance `C`.

In the circuit shown in Fig, the sources have emf's xi_(1) = 1.5 V, xi_(2) = 2.0 V, xi_(3) = 2.5 V , and the resistances are equal to R_(1) = 10 Omega, R_(2) = 20 Omega, R_(3) = 30 Omega . The internal resistances of the sources are negligible. Find : ltbrtgt (a) the current flowing thorugh teh resistance R_(1) , (b) a potential differences varphi_(A) - varphi_(B) between the points A and B between the points A and B .

In the circuit shown in Fig. the emf of the sources is equal to xi = 5.0 V and the resistances are equal to R_(1) = 4.0 Omega and R_(2) = 6.0 Omega . The internal resistance of the source equals R = 1.10 Omega . Find the currents flowing through the resistances R_(1) and R_(2) .

In Fig 27-56, the ideal batteries have emf emf_(1)2=200V and epsi_(2)=50V and the resistances are R_(1)=3.0 Omega and R_(2)=2.0 Omega . If the potential at P is 100 V, what is at at Q?

In the circuit shown in fig. the cell has emf 10V and internal resistance 1 Omega

In the circuit shown , the batteries have emf E_1 = E_2= 1V , E_3 = 2.5 V, and the resistance R_1 = 10Omega, R_2 = 20 Omega , Capacitance C = 10 muF . The charge on the left plate of the charge on the left plate of the capacitor C at steady state is

Find a potential difference varphi_(A) - varphi_(B) between the plates of a capacitor C in the circuit shown in Fig, if the sources have emf's E_(1) = 40 V, E_(2) = 1.0 V and the resistances are equal to R_(1) = 10 Omega, R_(2) = 20 Omega , and R_(3) = 30 Omega . The internal resistances of the sources are negligble.

Find the magnitude and direction of the current flowing through the resistance R in the circuit shown in Fig. if the emf's of the sources are equal to E_(1) = 1.5 V and E_(2) = 3.7 V and the resistances are equal to R_(1) = 10 Omega, R_(2) = 20 Omega , R = 5.0 Omega . The internal resistances of the sources are neglible.

In a circuit shown in Fig, resistances R_(1) and R_(2) are known , as well as emf's xi_(1) and xi_(2) . The internal resitances of the sources are negatible. At what value of the resitance R will teh thermal power generated in it be the highest ? What is it equal to ?

In the circuit diagram given in Fig. 4.31, the cells E_(1) " and " E_(2) have emf's 4 V and 8 V and internal resistances 0.5 Omega " and " 10 Omega respectively. Calculate the current in each resistance .