Electrical Engineering

Explain forward resistance, static resistance and dynamic resistance of a pn junction diode.

• Forward Resistance: Resistance offered in a diode circuit, when it is forward biased, is called forwardresistance.
• DC or Static Resistance: DC resistance can be explained as the ratio of the dc-voltage across the diode to the direct current flowing through it.
• AC or Dynamic Resistance: It can be defined as the reciprocal of the slope of the forward characteristic of the diode. It is the resistance offered by a diode to the changing forward current.

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