Electrical Engineering Questions And Answers :: Electrical Engineering Materials: part3



Electrical Engineering : Electrical Engineering Materials QUESTIONS AND ANSWERS :: part3 : 11 to 15

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

11.Substances whose specific resistance abruptly decreases at very low temperature are called

insulators
conductors
semiconductors
superconductors

12.Which of the following material is not a semiconductor ?

Silica
Germanium
Selenium
Gallium-arsenide

13.Selenium is _____ semiconductor.

extrnisic
intmisic
N-type
P-type

14.Which of the following materials is used for making coils of standard resistances ?

Copper
Nichrome
Platinum
Manganin

15.Low resistivity materials are used in

transformer, motor and generator windings
transmission and distribution lines
house wiring
all above applications

More Electrical Engineering Materials QUESTIONS AND ANSWERS available in next pages

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