Basic Electrical Mcqs

Q.  Which of the following statement is correct_______________?

a. A semi-conductor is a material whose conductivity is same as between that of a conductor and an insulator
b. A semi-conductor is a material which has conductivity having average value of conductivity of metal and insulator
c. A semi-conductor is one which con¬ducts only half of the applied voltage
d. A semi-conductor is a material made of alternate layers of conducting material and insulator


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