How to Read a Circuit Diagram

This is how to read a circuit diagram.

Step 1: Symbols

The picture above shows you a few symbols. A line is a wire. A zigzag is a resistor. A rectangle with two lines not touching is also a resistor.

Two lines with each a line coming out and not touching is a capacitor. In a capacitor, if there is a + sign, then the capacitor is polarized. the side with the + is positive.

Step 2: Connection

If there is a dot between two wires, then the two wires are connected. Otherwise they are not connected.

Step 3: Exsample

Read this schematic. What is it?

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