In a semi-conductor diode, the barrier potential offers...

In a semi-conductor diode, the barrier potential offers opposition to only
(a) majority caurier in both regions
(b) minoriiy carrier in both regions
(c) free electrons in the $n$ -region
(d) holes in the $p$ -region

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Semiconductor Diode

A semiconductor diode is a device that consists of a p-n junction, where the p-type and n-type semiconductor materials meet. Its operation is based on the movement of charge carriers (electrons and holes) across the junction under the influence of an electric field, allowing current to flow primarily in one direction.

Barrier Potential

The barrier potential is the built-in voltage difference established across the depletion region at the p-n junction. It results from the diffusion of charge carriers and the subsequent formation of an electric field that opposes further diffusion, playing a critical role in determining the diode's conduction properties.

Majority and Minority Carriers

In semiconductor materials, majority carriers are the charge carriers (electrons in n-type and holes in p-type) present in larger numbers, dominating the conduction process. Minority carriers are the less abundant carriers (holes in n-type and electrons in p-type), and their behavior is key to understanding conduction under reverse-bias conditions and other phenomena, even though the barrier potential primarily affects the flow of the majority carriers across the junction.

Transcript

Please give Ace some feedback