ocr: GLOSSARY DIODE Ac diode is an electrical component that acts like a DIRECTION one-way valve for electricity. OF CURRENT FLOW A diode has a high resistance in one direction pass but readily allows in the L - - - - - - - - - - - DIODE current to opposite direction. Diodes, like transistors, are made by joining two pieces of semiconductor. Transistor Semiconductor Light-Emitting Diode Photodiode
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