engineering recuitment BEL Probationary Engineers Mock Test 2025 Electromagnetic Theory Transmission Lines Transmission Line Parameters
What is the characteristic impedance of a coaxial transmission line having inner conductor radius of 1 mm, outer conductor radius of 3 mm and dielectric constant of 9.0?
1
20.77 Ω
2
30 Ω
3
21.97 Ω
4
25 Ω