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What is the primary mechanism of current flow in semiconductors?
What is the primary mechanism of current flow in semiconductors?
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Practice Questions
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Q1
What is the primary mechanism of current flow in semiconductors?
Electron flow only
Hole flow only
Both electron and hole flow
Ionic flow
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Current flow in semiconductors occurs due to the movement of both electrons and holes.
Questions & Step-by-step Solutions
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Q
Q: What is the primary mechanism of current flow in semiconductors?
Solution:
Current flow in semiconductors occurs due to the movement of both electrons and holes.
Steps: 6
Show Steps
Step 1: Understand that semiconductors are materials that can conduct electricity under certain conditions.
Step 2: Know that in semiconductors, there are two main types of charge carriers: electrons and holes.
Step 3: Electrons are negatively charged particles that can move through the semiconductor.
Step 4: Holes are the absence of electrons and can be thought of as positive charge carriers.
Step 5: When an electric field is applied, electrons move towards the positive side, and holes move towards the negative side.
Step 6: The movement of both electrons and holes together creates an electric current in the semiconductor.
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