A quarter-wave transformer is used for matching a load of 225 Ω conn – McqOptions

MCQOPTIONS

1.	A quarter-wave transformer is used for matching a load of 225 Ω connected to a transmission line of 256 Ω in order to reduce the SWR along the line to 1. The characteristic impedance of the transformer is
A.	225 Ω
B.	256 Ω
C.	240 Ω
D.	273 Ω
Answer» D. 273 Ω

Discussion

No Comment Found

Related MCQs

For a lossy transmission line, γ=0.02+j0.15 and is 20m long. The line is terminated with an impedance of a 400Ω. Then the input impedance of the transmission line given that the characteristic impedance of the transmission line is 156.13+j11.38Ω is:
For a distortion less line, R= 0.8Ω/m, G= 0.8 msiemens/m, L= 0.01µH/m then C is:
The condition for a distortion less line is:
If R = 1.5Ω/m, G = 0.2 mseimens/m, L = 2.5 nH/m, C = 0.1 pF/m for a low loss transmission line, then the attenuation constant of the transmission line is:
If the characteristic impedance of a transmission line is 50 Ω, and the inductance of the transmission line being 25 mH/m, the capacitance of the lossy transmission line is:
If the inductance and capacitance of a loss line transmission line are 45 mH/m and10 µF/m, the characteristic impedance of the transmission line is:
Expression for characteristic impedance Zₒ of a transmission line in terms of L and C the transmission line is:
Expression for α(attenuation constant) in terms of R , G, L and C of a transmission line is:
For a low loss line when both conductor and di-electric loss is small, the assumption that could be made is:
A long transmission line has considerable __________ effect