Which of the following statement is correct________?
AA semi-conductor is a material whose conductivity is same as between that of a conductor and an insulator
BA semi-conductor is a material made of alternate layers of conducting material and insulator
CA semi-conductor is one which con¬ducts only half of the applied voltage
DA semi-conductor is a material which has conductivity having average value of conductivity of metal and insulator
Correct answer
A. A semi-conductor is a material whose conductivity is same as between that of a conductor and an insulator
Explanation
The correct answer is A semi-conductor is a material whose conductivity is same as between that of a conductor and an insulator.