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why are diodes polarized???

Posted by nick ( on 22/03/2009, at 07:41 GMT


Electric current will only flow one way through a diode. Diodes can be used to control or 'steer' the flow of current in a circuit. One app. is the bridge rectifier operation. Other apps. are timing resistor selection during the mark or space period in an astable oscillator, and simple diode/resistor logic gates. On most diode packages a band on one end of the package marks the cathode connection.

Posted by Robert Neill ( on 30/01/2010, at 17:34 GMT

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