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-- card: 121457 from stack: in -- bmap block id: 0 -- flags: 4000 -- background id: 7720 -- name: #405 ----- HyperTalk script ----- on openCard global group,rightone put 38 into group put "A" into rightone pass openCard end openCard -- part contents for background part 20 ----- text ----- Question #38 -- part contents for background part 1 ----- text ----- 4BI-2A.5 How many 1/2 wavelengths apart should two 1/4-wavelength vertical antennas be spaced to produce a figure-8 pattern that is in line with the vertical antennas when they are fed 180 degrees out of phase? -- part contents for background part 11 ----- text ----- One half wavelength apart -- part contents for background part 27 ----- text ----- Two half wavelengths apart -- part contents for background part 28 ----- text ----- Three half wavelengths apart -- part contents for background part 29 ----- text ----- Four half wavelengths apart -- part contents for background part 43 ----- text ----- Correct answer is A