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Switching AC circuits in a heater control?
I am switching two rms (208 and 120) values with adjustable duty cycles (in percentages on) in a heater control system. How do I calculate the average power in each heater knowing resistance, rms voltage and duty cycle?
For example, I have a 120 VAC heater with resistance of 13.1 ohms and switch it at a 30% duty cycle.
1 AnswerEngineering10 years agoParalleling Thermocouples?
Is it possible to put thermocouples in parallel? Parallel at the source or nearer the data reading device?
3 AnswersEngineering1 decade agoWho do the Detroit Lions take with the #1 pick in the 2009 NFL draft?
This is assuming of course that the Lions don't screw up their pick status like in 2006 when they beat the Saints and went from the #2 pick to the #9 pick because of tie-breakers
12 AnswersFootball (American)1 decade agoWhat can't the Detroit Lions ever make it to the Super Bowl?
11 AnswersFootball (American)1 decade ago