NEET Practice Questions (MCQs) with Answers & Solutions

0.70 eV

1.1 eV

Between 0.70 eV to 1.1 eV

5 eV

 ${\mathrm{EG}}_1={\mathrm{EG}}_{2 }={\mathrm{EG}}_3$               

 ${\mathrm{EG}}_1<{\mathrm{EG}}_{2 }<{\mathrm{EG}}_3$

 ${\mathrm{EG}}_1>{\mathrm{EG}}_{2 }>{\mathrm{EG}}_3$                 

 ${\mathrm{EG}}_1<{\mathrm{EG}}_{2 }>{\mathrm{EG}}_3$

Insulator                 

P-type

N-type                     

Superconductor

 ${\mathrm{n}}_{\mathrm{P}}$>${\mathrm{n}}_{\mathrm{e}}$ in an intrinsic semiconductor

 ${\mathrm{n}}_{\mathrm{P}}$=${\mathrm{n}}_{\mathrm{e}}$ in an extrinsic semiconductor

 ${\mathrm{n}}_{\mathrm{P}}$=${\mathrm{n}}_{\mathrm{e}}$ in an intrinsic semiconductor

${\mathrm{n}}_{\mathrm{e}}$<${\mathrm{n}}_{\mathrm{P}}$ in an intrinsic semiconductor

P and Q are conductors of different materials

P is N-type semiconductor and Q is P-type semiconductor

P is semiconductor and Q is conductor

P is conductor and Q is semiconductor

1                   

${10}^{-1}$

 ${10}^{-4}$             

${10}^{-7}$

1.1 eV                           

0.1 eV

0.67 eV                         

6.7 eV 

Protons and electrons           

Electrons and protons

Electrons and holes               

Holes and electrons

Becomes semiconductor

Becomes good conductor

Becomes bad conductor

Has maximum conductivity

Will decrease

Will increase

Will first decrease and then increase

Will not change