Two cells of voltage `10V`and `2 V` and internal resistance `10 Omega` and `5Omega` respectively , are connected in parallel with the pesition and of `10V` battery connected to negative pole of `2V` battery Find the effected voltage and effected resistance of the combination

Two cells of voltage 10 V and 2 V and internal resistances 10 Omega and 5 Omega respectively, are connected in parallel with the positive end of 10V battery connected to negative pole of 2 V battery (figure). Find the effective voltage and effective resistance of the combination.

Two batteries of emfs 2 V and 1 V of internal resistances 1Omega and 2Omega respectively are connected in parallel. The effective emf of the combination is

Two cells having an internal resistance of 0.2 Omega and 0.4 Omega are connected in parallel, the voltage across the battery is 1.5 V. If the emf of one cell is 1.2 V, then the emf of second cell is

A 10 Omega resistance is connected in series with a cell of emf 10V. A voltmeter is connected in parallel to a cell, and it reads 9.9 V. Find internal resistance of the cell.

A battery having e.m.f. 5 V and internal resistance 0.5 Omega is connected with a resistance of 4.5 Omega then the voltage at the terminals of battery is