วันอังคารที่ 19 ตุลาคม พ.ศ. 2553

TRANSMISSION LINE STUBS AND TRANSFORMERS















 






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ข้อสอบที่เกี่ยวข้อง


What kind of impedance does a 1⁄8-wavelength transmission line present to a generator when the line is open at the far end?

A. The same as the characteristic impedance of the line
B. An inductive reactance
C. A capacitive reactance
D. The same as the input impedance of the final generator stage

 


What kind of impedance does a 1⁄4-wavelength transmission line present to a generator when the line is open at the far end?

A. A very high impedance
B. A very low impedance
C. The same as the characteristic impedance of the line
D. The same as the input impedance to the final generator stage 






What kind of impedance does a 1⁄2-wavelength transmission line present to a generator when the line is open at the far end?

A. A very high impedance
B. A very low impedance
C. The same as the characteristic impedance of the line
D. The same as the output impedance of the generator

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