Match the following:

$\mathrm{i}$	$\mathrm{Ge}$doped with $\mathrm{In}$	$1.$	n-type semiconductor
$\mathrm{ii}$	$\mathrm{Si}$ doped with $\mathrm{N}$	$2.$	Schottky defect
$\mathrm{iii}$	$\mathrm{ZnS}$	$3.$	p-type semiconductor
$\mathrm{iv}$	$\mathrm{CsCl}$	$4.$	Frenkel defect

 

Match List - I with List - II:

Choose the most appropriate answer from the options given below:

In the following circuit diagram, the current through the battery is

Statement I: By doping silicon semiconductors with pentavalent material, the electrons density increases.

Statement II: The $n-$type of semiconductor has a net negative charge.

In the above statements, choose the most appropriate answer from the options given below: