The next element that gets noticed is heat or power loss, as you push current through a resistive element there will be some power lost to heat and the more resistive that element the more power you burn off. In high voltage connectors, say 600V, 2/10 of a volt will probably get lost in your ripple voltage. If you are working on low voltage systems like FPGAs and microprocessor that utilize very high currents and happen to run at 3.3V or lower 2/10 of a volt is something you really have to pay attention to. Like any resistor in a system you end up with a voltage differential across is as current is pushed through it, in some cases at high currents there can be drops of up to 2/10 of a volt which in the grand scheme of things isn’t a huge amount. So what happens as resistance shows up in our connection points? The first one that will be noticed is probably voltage drop.
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