What is extrinsic semiconductors?

Intrinsic semiconductors Extrinsic semiconductors 1. A pure semiconductor is known as intrinsic semiconductors. The semiconductor, resulting 2. Their conductivity is low Their conductivity is high even at room temperature. 3. Its electrical conductivity is a function...

Correct option is A) Iris

A broad classification of semiconductors can be: 1. Elemental semiconductors: Silicon, germanium  2. Compound Semiconductors: Cadmium sulphide, zinc sulphide, etc.  3. Organic Semiconductors: Anthracene, doped pthalocyanines, polyaniline etc.

1. Electrical properties of semiconductors are different from metals and insulators due to their unique conduction mechanism. 2. The electronic configuration of the elemental semiconductors plays a very important role in...

1. The 4 valence electrons of C, Si or Ge lie respectively in the second, third and fourth orbit. 2. Energy required to take out an electron from these atoms (i.e.,...

1. These are materials doped with trivalent impurity atoms (acceptors). 2. Electrical conduction in these materials is due to majority charge carriers i.e., holes. 3. The acceptor atoms acquire electron and become...

i. Solar cell: 1. It converts light energy into electric energy.  2. t is useful to produce electricity in remote areas and also for providing electricity for satellites, space probes and space...

Correct option is: (B) 3,4

(ii) Both assertion and reason are true but reason is not the correct explanation of assertion.