Exam Prep Questions
| Question 1 |
What are the typical voltage outputs for low-voltage power supplies that convert household AC power into DC voltages?
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| A1: | The correct answer is D. The standard low voltages for powering home automation systems are normally in the range of 3v–12v. Answer A is incorrect because 6v–24v is above the typical voltage range for most home, general-purpose DC power supplies. Answer B is incorrect because 30v–60v is not a voltage range used in household power supplies. Answer C is also incorrect because 25v–45v is not a typical range used in power supplies for home devices referenced in this chapter. |
| Question 2 | Which type of sensor is used to protect against doors closing ... |
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