Distinguish between conductor (or metals), semiconductors and insulators on the basis of theur energy bands.

Write any two distinguishing features between conductors, semiconductors and insulators on the basis of energy band diagrams.

Explain formation of energy band in solids. Distinguish between conductors, extrinsic and intrinsic semi-conductors and insulators on the basis of band theory.

Distinguish between intrinsic and extrinsic semiconductors

Distinguish between conductors and insulators.

(a) distinguish between metals inlsulators and simi conductors on the baisi of their energy bands (b) why are photodiodes used preferabley in reverse bias condlition can it detect a wavelength of 6000 nm justify

Distinguish between 'intrinsic' and 'extrinsic semiconductors.

Distinguish between intrinsic and extrinsic semi-conductors on the basis of energy band diagram.

How will you distinguish between a semiconductor and insulator ?

Distinguish between p-type and n-type semiconductors,