I have been doing this for years, but I'm afraid my understanding of some theories may have been slewed slightly and wondering if someone could clear up some of it.
For my first post, the most basic of all questions.
I have always thought of EMF or voltage as the pressure behind the electrons. The pressure that moves electrons which in turn is current. Correct?
So, my question is about "voltage drops". If I have resistor in a complex circuit, it has a voltage drop which means that this unit "consumes" a bit of the pressure behind it, and what leaves the resistor has less pressure than before?
Is my analogy correct? And if this is the case, at the end of the circuit where the electrons move to the positive terminal or ground, and the circuit has consumed the voltage in voltage drops, then is there no pressure left before it enters the battery or ground?
Is the explanation clear or should I try differently? I hope somebody can help my mind untwist.
Thanks.
Doc
For my first post, the most basic of all questions.
I have always thought of EMF or voltage as the pressure behind the electrons. The pressure that moves electrons which in turn is current. Correct?
So, my question is about "voltage drops". If I have resistor in a complex circuit, it has a voltage drop which means that this unit "consumes" a bit of the pressure behind it, and what leaves the resistor has less pressure than before?
Is my analogy correct? And if this is the case, at the end of the circuit where the electrons move to the positive terminal or ground, and the circuit has consumed the voltage in voltage drops, then is there no pressure left before it enters the battery or ground?
Is the explanation clear or should I try differently? I hope somebody can help my mind untwist.
Thanks.
Doc