Choose the correct definition for an intrinsic semiconductorwith an example.

1. a conductive material of an element with the addition ofdopant (0.0001% Si in Al )
2. a conductive material of an element with the addition of dopant(0.0001% Al in Si )
3. a material that naturally can have electrons move across theband gap ( Al )
4. a material that naturally can have electrons move across theband gap (pure silicon)

Choose the correct definition for an extrinsic semiconductorwith an example.

1.a conductive material of an element with the addition ofdopant (0.0001% Si in Al )
2.a material that naturally can have electrons move across the bandgap (pure silicon)
3.a conductive material of an element with the addition of dopant(0.0001% Al in Si )
4.a material that naturally can have electrons move across the bandgap ( Al )