What is the effect of doping on the conductivity of a semiconductor?
Practice Questions
Q1
What is the effect of doping on the conductivity of a semiconductor?
Decreases conductivity
Increases conductivity
No effect
Makes it an insulator
Questions & Step-by-Step Solutions
What is the effect of doping on the conductivity of a semiconductor?
Step 1: Understand what a semiconductor is. A semiconductor is a material that can conduct electricity, but not as well as a conductor like copper.
Step 2: Learn about doping. Doping is the process of adding small amounts of certain materials (called dopants) to a semiconductor.
Step 3: Know the types of dopants. There are two main types of dopants: n-type (which adds extra electrons) and p-type (which creates 'holes' or missing electrons).
Step 4: See how doping affects charge carriers. Doping increases the number of charge carriers (electrons or holes) in the semiconductor.
Step 5: Understand conductivity. Conductivity is how well a material can conduct electricity. More charge carriers mean higher conductivity.
Step 6: Conclude that doping increases conductivity. By adding dopants, we increase the number of charge carriers, which makes the semiconductor better at conducting electricity.
