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Last Week's question and answer

Which of the following is a significant difference between foam dielectric coaxial cable and solid dielectric cable, assuming all other parameters are the same?

Answer = D

 A. Foam dielectric has lower safe operating voltage limits

B. Foam dielectric has lower loss per unit of length

C. Foam dielectric has higher velocity factor

D. All of these choices are correct


 Previous Week's question and answer 

What describes an isotropic antenna?

Answer = C

A. A grounded antenna used to measure earth conductivity

B. A horizontally polarized antenna used to compare Yagi antennas

C. A theoretical antenna used as a reference for antenna gain

D. A spacecraft antenna used to direct signals toward the earth


Last Updated (Monday, 17 July 2017 10:15)