Answer to Question #307882 in Physics for cols

Question

Given three resistors, each having a resistance of 1 Ω, how many different values of equivalent resistance ca be obtained by the different series-parallel combinations if all the three resistors are to be used in the circuit?

Answer 1

There are four possible combitaions.

1. All three in series.

2. Two in series and one in parallel with these two.

3. Two in parallel and one in series.

4. All three in parallel.

Answer. 4 different combinations.