Electrical Engineering Questions And Answers :: Electrical Engineering Materials: part4



Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part4 : 6 to 10

Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :

6.The conductivity of an extrinsic semiconductor with temperature

decreases
increases
remains constant
none of the above

7.For a particular material the Hall coefficient was found to be zero. The material is

insulator
metal
intrinsic semiconductor
none of the above

8.The forbidden gap in an insulator is

large
small
nil
any of the above

9.The carbon percentage is least in

low carbon steel
wrought iron
cast iron
malleable iron

10.For germanium the forbidden energy gap is

0.15 eV
0.25 eV
0.5eV
0.7eV

More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages

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