We continue our power-supply quiz with four more questions. Do you agree with the answers?
This week, we continue our two-part quiz on specifying power supplies with four more questions from Craig Frahm of Ametek Programmable power. Do you agree with the suggested responses and which one is best? Iím not sure I do. See question 4, where Frahm asks about the best way to get help choosing a power supply. As always, answers appear on the last page.
1. What kinds of loads have high inrush currents?
- Alternative energy systems that can produce current spikes in the power generated by wind turbines, solar panels, and other sources as itís fed into batteries, inverters, and other energy storage components.
- AC-powered devices, such as switching power supplies and electronic lighting ballasts.
- Electric motors and transformers.
- a and c only
- b and c only
- All of the above
- None of the above
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