Simple Rules

Dated:2016-09-27      Popularity:992


Circuit Diagram


What goes up must come down and what goes in must come out? These rules describe two fundamentals laws of electronics in a way that is simple and easy to remember.

What goes up must come down? In a circuit with a 9 volt source, the 9 volts are divided over the components in that circuit. You never have any spare voltage.

What goes in must come out? If you have 5 milliampere (mA) going into a component, then you have 5 mA coming out of it too. If you have 9 mA going into several branches, when the branches connect again, the total current from the branches equals the 9 mA that went into them. Hope it is useful to you.


Simple Rules  

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