A 10 km long line has a characteristic impedance of 400 ohms. If line length is 100 km, the characteristic impedance is

1. 

A 10 km long line has a characteristic impedance of 400 ohms. If line length is 100 km, the characteristic impedance is
[A]. 4000 Ω
[B]. 400 Ω
[C]. 40 Ω
[D]. 4 Ω

Answer: Option B

Explanation:

27-12and is independent of line lengt

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