Electrical Engineering Quiz 1

Engineering Quiz 1

Quiz

  

 

1. The number of compounds available in nature is:
   1.   88 Thousand and 350
   2.   88 Thousand and 349
   3.   88 Thousand and 340
   4.   Unlimited
2. The electric current is due to the flow of:
   1.   Positive Charges
   2.   Negative Ions
   3.   Both A & B
   4.   Negative Charges
3. The diameter of an atom is:
   1.   10^-20
   2.   11.89^-20
   3.   10^-10
   4.   10^-16
4. The mass of a proton is about how many times the mass of electron?
   1.   1838
   2.   1839
   3.   1840
   4.   1837
5. E.M.F in a circuit maintains:
   1.   Both B & C
   2.   Potential Difference
   3.   Current
   4.   Power
6. If the of number of valence electrons of an atom is more than 4, the substance is usually a:
   1.   Semi-Conductor
   2.   Super Conductor
   3.   Conductor
   4.   Insulator
7. If the number of valence electrons of an atom is 4, the substance is usually a:
   1.   Super Conductor
   2.   Conductor
   3.   Semi-Conductor
   4.   Insulator
8. If the of number of valence electrons of an atom is less than 4, the substance is usually a:
   1.   Super Conductor
   2.   Conductor
   3.   Semi-Conductor
   4.   Insulator
9. The electrons in the last orbit of an atom are called:
   1.   Valence Electrons
   2.   Free Electrons
   3.   Both A & B
   4.   None
10. One coulomb of charge is equal to the charge of how many electrons?
    1.   620 x 10^16 electrons
    2.   625 x 10^16 electrons
    3.   62.5 x 10^16 electrons
    4.   6.25 x 10^16 electrons