Question

-2. For an ideal diode which of the following is true ?
(A) It allows the passage of current in the forward bias with zero potential drop
across the diode.
(B) It does not allow the flow of current in reverse bias.
(C) All of the mentioned
(D) None of the mentioned​

Answer 1

Explanation:

c all of mentioned ok good luck

Answer 2

Answer:

(A) (B) are the true statement.

Explanation:

An ideal diode is a diode that acts like a perfect conductor when voltage is applied forward biased and like a perfect insulator when voltage is applied reverse biased.

Reason:

• In forward biasing, positive terminal is connected to p-side and negative to n-side. When electron and holes start to move toward their respective oppositely charged terminal, depletion region becomes small. In ideal diode, voltage drop across depletion region is zero. So, current flows without any potential drop.

• In reverse biasing, positive terminal is connected to the n-side and negative to p-side. This way, negative charge flowing to p side and positive charge(holes) flowing to n-side combine at junction to increase the width of the junction, increasing junction voltage. In ideal diode, this voltage is infinity. So, no current flows through it.

Hence,

(A) Diode allows the passage of current in the forward bias with zero potential drop across the diode.

(B) Diode does not allow the flow of current in reverse bias.

Therefore (A) (B) are the true statements.

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