Why is diode called a valve ? – InterviewSolution

InterviewSolution

1.	Why is diode called a valve ?
Answer» Thediode valveis socalledbecause it has just two electrodes – the cathode and the anode. These correspond to the two electrodes of the originaldiode valve,the cathode being the electrode that is heated and emits electrons, and the anode being the electrode that collects the electrons

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