Six batteris of increasing emf and increasing internal resistance are as shown in figure. Match the following

Six batteries of increasing emf and increasing internal resistance are as shown in figure. Match the following:

Find the equivalent emf and internal resistance of the arrangement shown in figure.

Find the equivalent emf and internal resistance of the arrangement shown in figure.

Two batteries of different emfs and different internal resistances are connected as shown. The voltage across AB in volts is. .

Two batteries of different emfs and different internal resistances are connected as shown. The voltage across AB in volts is. .

Two batteries of difference emf's and internal resistance are connected in parallel to one another.

Three batteries having emfs and internal resistances as shown in figure are connected across a resistor of 2Omega . The reading of ammeter is