July 2012
Beginner
576 pages
9h 46m
English
Content preview from Complete Electronics Self-Teaching Guide with Projects
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Answers to Self-Test
If your answers do not agree with those given here, review the problems indicated in parentheses before you go to Chapter 11.
| 1. | Two coils of wire wound around a magnetic core (such as iron or ferrite). | (problem 1) |
| 2. | An AC voltage—DC does not work. | (problem 2) |
| 3. | An inverted sine wave. | (problem 3) |
| 4. | The ratio of the turns in the primary winding to the number of turns in the secondary coil. | (problem 6) |
| 5. | Vout = 0.5 volts. | (problem 7) |
| 6. | TR = 1.43:1. | (problem 7) |
| 7. | VC-A = 14 Vpp. | (problem 12) |
| 8. | VA-B = 14.14 Vpp. | (problem 12) |
| 9. | TR = 4:1. | (problem 13) |
| 10. | It is a step-down transformer. The voltage is lower (stepped down) in the secondary coil than in the primary coil if the current in the secondary coil is higher than the current in the primary coil. This maintains the same power on either side of the transformer. | (problem 13) |
| 11. | TR = 3.2:1. | (problem 16) |
| 12. | ZG = 100 kΩ. | (problem 16) |
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.