Reflecting on things from an economic standpoint for a moment, what the above tells me is that, given how hard acquisition of such small-value resistors is, it would be far more economical to simply increase the length of my wire by a bit over three times. This would give me .1+ ohms of...
Hello All,
I am trying to run an electromagnet from my new power supply (TekPower HY3010E - 0-30V @ 0-10A). My electromagnet is a very simple air-core solenoid - 3-layers wound with 8 turns per layer from a 20-ft-long #12-gauge wire. The coil form is not big at all - a simple cardboard...