Physics · Transmission Lines
For a lossless transmission line terminated in its characteristic impedance (Z0), the input impedance is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Equal to the characteristic impedance for all lengths and frequencies✓
- 2Purely reactive for all lengths of the line
- 3Equal to the load impedance only at DC (zero frequency)
- 4Highly frequency-dependent
Correct answer
Equal to the characteristic impedance for all lengths and frequencies
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