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In air a lossless transmission line of length 50 cm with L = 10 µH/m, C = 40 pF/m is operated at 25 MHz. Its electrical path length is—
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- 0.5 metre
- λ metre
- π/2 radians
- 280 degrees
Correct Option: C
Electrical path length in a transmission line is given by = βl
where, β = ω√LC for R << ωL and G << ωC
βl = 2 π × 25 × 106 × √10 × 10-6 × 40 × 10-12 × .5
| = | radians. | |
| 2 |
