A transistor is a semiconductor device used to electronic signals
A transistor is a semiconductor device used to electronic signals
中国大学MOOC: A contact is formed between a metal and a p-type semiconductor. This contact is ( )if Φm>Φs.
中国大学MOOC: A contact is formed between a metal and a p-type semiconductor. This contact is ( )if Φm>Φs.
To any P-type semiconductor, the number of holes ( ) the number of free electrons
To any P-type semiconductor, the number of holes ( ) the number of free electrons
In semiconductor physics, positive holes(空穴) are treated as if they were positively charged electrons.
In semiconductor physics, positive holes(空穴) are treated as if they were positively charged electrons.
Because semiconductor has two kinds of carriers, it has better conductivity than conductor
Because semiconductor has two kinds of carriers, it has better conductivity than conductor
The materials of solar cells are mainly materials. A: conductor B: insulator C: semiconductor D: --
The materials of solar cells are mainly materials. A: conductor B: insulator C: semiconductor D: --
Fill in the blank to make the following statement true: "In a semiconductor material, account(s) for mostly of the current
Fill in the blank to make the following statement true: "In a semiconductor material, account(s) for mostly of the current
I always dreamed of becoming the _____of an orchestra. A: production B: conduct C: conductor D: semiconductor
I always dreamed of becoming the _____of an orchestra. A: production B: conduct C: conductor D: semiconductor
A typical photovoltaic cell consists of semiconductor material (usually iron oxide) having a PN junction.
A typical photovoltaic cell consists of semiconductor material (usually iron oxide) having a PN junction.
A contact is formed between a metal and a p-type semiconductor. This contact is ( )if Φm>Φs. A: homojunction B: heterojunction C: ohmic contact D: rectifying contact
A contact is formed between a metal and a p-type semiconductor. This contact is ( )if Φm>Φs. A: homojunction B: heterojunction C: ohmic contact D: rectifying contact