Tue 18 Dec, 2018 06:11 pm - What's the difference between electrical resonance and sound resonance (like breaking a wine glass with sound)? Are there any other types of resonance? (view)
Sun 30 Sep, 2018 03:17 pm - I am new to dealing with A/C electricity. I know that when one is using D/C you just need 2 wires. However, with A/C I see that three wires are being used...why?
Also how does one split the... (view)
