Question

what is meant meant by the series combination of resistance

Answer 1

If different resistances are joined with each other such that there is only one path for the flow of        electric current then the combination of such resistances is called Series Combination. 

Answer 2

Hey mate, here is your answer =
Series combination of resistance means the arrangement of resistors in a line or series. In this, there is no change in the value of the current.
Hope it helps u dear