Right choice is (b) \(\frac{4}{3}\) Ω
To elaborate: Given that copper and coated metal strip have resistance of 2 ohms respectively. These two strips are connected in parallel.
Hence, the resistance of the composite strip = \(\frac{2 X 4}{2 + 4}\)
= \(\frac{8}{6} = \frac{4}{3}\) Ω.