ELECTRONIC DEVICES - Topic Wise Multiple Choice Questions (MCQ)
Topic Wise free Electronic Devices MCQ for 11th 12th exam Practice Multiple Choice Questions and answer for JEE-mains State CET Engineering Entrance GATE free Online Test
1 )
C, Si and Ge have same no. of valence electrons. C is an insulator because energy required to take one electron out from
2 )
Ionization energy of isolated phosphorous atom 10 eV. Ionization energy of same atom in Si is nearly ________ eV (Relative Permittivity of silicon = 12)
3 )
By adding _______ impurity in intrinsic semiconductor P type semiconductor is made. Charge of these P type semiconductor is ______
4 )
Strong overlapping of different atomic orbital's makes
5 )
We cannot make p – n junction diode by making P type semi-conductor join with N-type semi-conductor, because