In a diode, which statement is true about the anode and cathode?

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Study for the Mechatronics End-of-Pathway (EOP) Test. Explore flashcards and multiple-choice questions, each with hints and explanations. Prepare confidently for your exam!

Multiple Choice

In a diode, which statement is true about the anode and cathode?

Explanation:
In a diode, current flows when it is forward-biased, meaning the anode must be at a higher potential than the cathode. The anode is the positive side and the cathode is the negative side during forward operation, so conventional current enters the diode at the anode and exits at the cathode. This forward bias lowers the barrier at the PN junction, allowing charge carriers to cross and produce current. If the anode were negative relative to the cathode, the diode would be reverse-biased and block current (aside from leakage).

In a diode, current flows when it is forward-biased, meaning the anode must be at a higher potential than the cathode. The anode is the positive side and the cathode is the negative side during forward operation, so conventional current enters the diode at the anode and exits at the cathode. This forward bias lowers the barrier at the PN junction, allowing charge carriers to cross and produce current. If the anode were negative relative to the cathode, the diode would be reverse-biased and block current (aside from leakage).

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