Question

Two resistance wires, when joined in parallel, give an effective resistance of 6/5 ohm. When one of the resistance wires is disconnected, the effective resistance changes to 2 ohms. The resistance of the disconnected resistance wire is



4/5 ohm

2 ohm

6 ohms

3 ohms

​

Answer 1

Answer:

3 ohm

Explanation:

initially resistance are in parallel