A transmission line has the characteristic impedance of (50 + 1j)Ω and is terminated in a load resistance of (70 - 7j)Ω (where j2 = -1). The magnitude of the reflection coefficient will be closest to
1
\(\frac{5}{7}\)
2
\(\frac{1}{2}\)
3
\(\frac{1}{6}\)
4
\(\frac{1}{7}\)