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An Introduction to Analog Communications AT02 Pre-Test Student Workbook 27. A screened cable: a acts as a form of high pass filter to remove distortion of the waveform being broadcast. b cannot be used for music signals as it would remove all the high frequencies. c has a conducting layer around the signal carrying wire to shield it from interference. d is a conductor that has been placed out of sight. 28. In an NPN bipolar transistor, the base voltage is normally: a more positive than the emitter. b at earth potential. c more positive than the collector. d less positive than the emitter. 29. Two 20Ω resistors connected in parallel would offer a total resistance: a of 40Ω. b of 20Ω. c of 10Ω. d of greater than of 10Ω but less than 20Ω. 30. 20% represents the same proportion as 1 in: a 100 b 4 c 20 d 5 12 LJ Technical Systems
AT02 The ANACOM 1/1 and ANACOM 1/2 Boards Student Workbook Chapter 1 Chapter 1 The ANACOM 1/1 and ANACOM 1/2 Boards 1.1 Layout Diagram of the ANACOM 1/1 Board Figure 1 LJ Technical Systems 13
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Single Sideband Systems AT02 Chapte
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Locating Faults in DSB and SSB Tran
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The ANACOM 2 Board AT02 Chapter 6 S
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Locating Faults in FM Transmission
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Locating Faults in FM Transmission
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