What is true about semiconductors?

1. It is hard for electrons to move through them.
2. You can change how easily electrons move through them.
3,They are so rare that it's unusual to see them in daily life.
4. It is easy for electrons to move through them.

Semiconductors are materials with conductivity intermediate between conductors and nonconductors or insulators. Semiconductors may be either compound like gallium arsenide.

The ideas, characteristics, and mathematical techniques that control semiconductors are explained in physics.

When the semiconductors become charged, current flows from the negative one to the positive one. Current flow in a semiconductor is caused by charge carrier migration in both the conduction and valence bands.

In a semiconductor, you can change how easily electrons move through them.

Hence, option 2 is true about semiconductor

To learn more about the semiconductors, refer to the link;

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What is true about semiconductors? 1. It is hard for electrons to move through them. 2. You can change how easily electrons move through them. 3,They are so rare that it's unusual to see them in daily life. 4. It is easy for electrons to move through them.

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What are semiconductors?

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What is true about semiconductors?

1. It is hard for electrons to move through them.
2. You can change how easily electrons move through them.
3,They are so rare that it's unusual to see them in daily life.
4. It is easy for electrons to move through them.