counter code

Electrical Engineering Material (Electrical Engineering) - MCQs


These are four options provided for the answers of the question only one option is right answer. You have to click any of the option to check your answer. You can also directly see the answer from the answer link below. if you want to see explaination of the answer you can click discuss link.

Q7.
the band gap of silicon at room temperature is
  • A. 1.3 eV
  • B. 0.7 eV
  • C. 1.1 eV
  • D. 1.4 eV

    Discuss    
Q8.
behaviour of conductors, semiconductors and insulators is explain on the basis of
  • A. atomic structure
  • B. molecular structure
  • C. energy band structure
  • D. all of the above

    Discuss    
Q9.
in intrinsic semiconductor has equal number of electrons and holes in it. this is due to
  • A. doping
  • B. free electrons
  • C. thermal energy
  • D. Valence electrons

    Discuss    
Q10.
the covalent bond is formed by
  • A. transfer of electrons between atoms
  • B. sharing of electrons between atoms
  • C. sharing of variable number of electrons by a variable number of atoms
  • D. removing the electron completely

    Discuss    
Q11.
the nature of crystal binding in germanium is
  • A. ionic
  • B. metallic
  • C. covalent
  • D. van der waal type

    Discuss    
Q12.
which of the following materials does not have a covalent bond?
  • A. metal
  • B. silicon
  • C. organic polymers
  • D. diamond

    Discuss