Two cells having emf l.5Vand 2V have internal resistance` 0.2 Omega` and `0.3 Omega` respectively. What is the equivalent emf and equivalent resistance if they are connected in paralleled combinations?

n electric cells having emf e and internal resistance r each are connected in parallel.What is the emf of this combination?

Two cells E_1 and E_2 have and emf of 5V and 9V and internal resistances of 0.3 Omega and 1.2 Omega respectively. Calculate the value of current following through the resistance of 3 Omega .

Two cells one of emf 1.4 V and internal resistance 0.6 Omega the other of emf 2.5. V and internal resistance 0.3 Omega are connected in parallel and the combination is connected in series with an external resistance of 4 Omega . What is the current through this resistance?

Two resistances are expressed as R_1=(4 ±0.5) Omega and R_2 =(12 ±0.5) Omega . What is the net resistances when these are connected in parallel with percentage error.

Two cells of e.m.f. E_1 and E_2 have internal resistance r_1 and r_2 . Deduce an expression for equivalent e.m.f. of their parallel combination.

Calculate the ratio of equivalent resistances of series and parallel combination of 2, 3, 6 Omega resistances.

n identical cells, each of emf e and internal resistance r, are first connected in series and then in parallel. What will be the ratio of the emfs and of the internal resistances of these two cell combinations?

Given the resistance of 1Omega,2Omega,3Omega, how will you combine them to get an equivalent resistance of: (11//5)Omega

n electric cells of emf e and internal resistance r each are connected in series.What is the emf of this combination.

Given the resistance of 1Omega,2Omega,3Omega, how will you combine them to get an equivalent resistance of: (11//3)Omega