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When the P-N junction diode is forward bias the current in circuit is controlled by.

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When the P-N junction diode is forward bias the current in circuit is controlled by.

(a) External voltage

(b) Capacitance

(c) Resistance

(d) Internal voltage

This question was posed to me in final exam.

The origin of the question is The Volt Ampere Characteristics in chapter Semiconductor-Diode Characteristics of Electronic Devices & Circuits

1 Answer

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Best answer
Correct choice is (c) Resistance

To elaborate: When the P-N junction is in forward bias that is the p side connected to the positive terminal of voltage source the current in the circuit can be varied by varying the resistance, the current flow decreases as the resistance increases and vice versa.

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