3 equal resistance are connected in series then in parallel what will be the ratio of their resistances.

n equal resistors are first connected in series and then connected in parallel. What is the ratio of the maximum to the minimum resistance ?

If 3 resistances of 3 ohm each are connected in parallel, what will be their total resistance?

A cell of emf E and internal resistance r is connected in series with an external resistance nr. Than what will be the ratio of the terminal potential difference to emf, if n=9.

The resultant resistance of two resistors when connected in series is 48 ohm.the ratio of their resistances is 3:1 the value of each resistance is

Five identical cells each of internal resistance 1 Omega and emf 5V are connected in series and in parallel with an external resistance 'R' . For what value of 'R', current in series and parallel combination will remain the same ?