Two cells of emf ` E_1 and E_2 ` having internal resistance `r _1 and r_2` are connected in parallel. Calculate Eeq and req for the combination.

Two cells of emf epsi_1 and epsi_2 having internal resistances r_1 and r_2 respectively are connected in parallel as shown in Fig. Deduce the expressions for the equivalent emf and equivalent internal resistance of a cell which can replace the combination between the points B_1 and B_2 .

Two cells of emfs 1.5 V and 2.0 V having internal resistances 0.2 Omega and 0.3 Omega respectively are connected in parallel. Calculate the emf and internal resistance of the equivalent cell.

Two cells of emfs 1.5 V and 2.0v having internal resistance 0.2 Sigma and 0.3 Sigma respectively are connected in parallel . Calculate the emf and internal resistance of the equivalent cell .

Two cells of emfs l .5 V and 2.0 V having internal resistances 0.2 Omega and 0.3 Omega respectively are connected in parallel. Calculate the emf and internal resistance of the equivalent cell.

(a) Two cells of emf epsi_1 and epsi_2 having internal resistances r_1 and r_2 respectively are connected in parallel as shown in Fig. Deduce the expressions for the equivalent emf and equivalent internal resistance of a cell which can replace the combination between the points B_1 and B_2 . (b) Calculate the current shown by the ammeter in the circuit diagram given below

Two batteries of e.m.f. E_(1) and E_(2) and internal resistance r_(1) and r_(2) are connected in parallel. Determine their equivelent e.m.f.

Two cells of emfs epsilon_(1)and epsilon_(2) and internal resistances r_(1)and r_(2) respectively are connected in parallel . Obtain expressions for the equivalent (i) resistance and , (ii) emf of the combination.

Two cells of equal e.m.f. E b ut of difference internal resistance r_(1) and r_(2) are connected in parallel and the combination is connected with an external resistance R to obtain maximum power in R. find the value of R

Two cells of emf 2 epsi and epsi and internal resistance 2r and r respectively, are connected in parallel. Obtain the expressions for the equivalent emf and the internal resistance of the combination.