Timeline for Calculating parallel resistance of a rated bulb
Current License: CC BY-SA 3.0
4 events
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| Jul 21, 2012 at 17:54 | comment | added | zebonaut | @TonyStewart Well, in the first place (before worries about tempco): No one would waste 50 W using a parallel resistor in the real world to make such a circuit work. As I said: Safe to assume this is a not-so-practical example from an 8th grade physics book. No offense against 8th graders, but big offense towards some of the nuances how physics are taught in school. | |
| Jul 20, 2012 at 22:46 | comment | added | D.A.S. | Not only a bad assumption but it useful to remember tungsten resistors are PTC 1:10 ratio from off:on. | |
| Jul 19, 2012 at 9:11 | history | edited | zebonaut | CC BY-SA 3.0 |
added 238 characters in body; added 1 characters in body
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| Jul 19, 2012 at 8:46 | history | answered | zebonaut | CC BY-SA 3.0 |