| N-type | P-type |
| (i) Electrons are majority charge carrier. | (ii) **** are majority charge carrier |
| (ii) Pentavalent inpurity added in tetravalent then N-type semconductor formed. | (ii) Trivalent impurity atom added in tetravalent then p-type semiconduc for for med. |
| (iii) No. of negative charge greter than +ve charge. | (iii) No. of positive charge greater than negatively charge. |
