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  • Match the items given in Column I with the items given in Column II. (i) Mg in solid state

Match the items given in Column I with the items given in Column II.

Column I Column II
(i) Mg in solid state (a) p-Type semiconductor
(ii) MgCl_{2} in molten state (b) n-Type semiconductor
(iii) Silicon with phosphorous (c) Electrolytic conductors
(iv) Germanium with boron (d) Electronic conductors

 

Answers (1)

(i) \rightarrow (d); (ii)\rightarrow (c); (iii)\rightarrow (b); (iv)\rightarrow (a)
(i) Electronic conductivity is shown by Mg in a solid state due to the presence of free electrons.
(ii) Electrolytic conductivity is shown by MgCl_{2} in molten state due to the presence of electrolytes in the molten state.
(iii) Silicon doped with phosphorus is a p-type semiconductor. It contains one extra electron, due to which it shows conductivity under the influence of an electric field.
(iv) Germanium doped with boron is a p-type semiconductor. It shows conductivity under the influence of an electric field due to the presence of a hole.

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