Sail E0 Webinar

General Knowledge > General Science

CONDUCTORS AND INSULATORS MCQs

Total Questions : 20 | Page 2 of 2 pages
Question 11. Current carrier in conductors is ____
  1.    Proton
  2.    Electron
  3.    Positron
  4.    Neutron
 Discuss Question
Answer: Option B. -> Electron
Question 12. In conductors, electrons can flow because their
  1.    ions are free
  2.    protons are free
  3.    electrons are free
  4.    negative ions are free
 Discuss Question
Answer: Option C. -> electrons are free
Question 13. The materials that allow the electrons to flow through them is known as
  1.    insulators
  2.    conductors
  3.    electrolytes
  4.    bases
 Discuss Question
Answer: Option B. -> conductors
Question 14. Mittens help keep your hands warm in winter because
  1.    They are Conductors of heat
  2.    They are Conductors of electrical energy
  3.    They are fuzzy
  4.    They are insulators
 Discuss Question
Answer: Option D. -> They are insulators
Question 15. Insulators prevent _____ from traveling from atom to atom
  1.    electrons
  2.    electricity
  3.    conductors
  4.    circuits
 Discuss Question
Answer: Option A. -> electrons
Question 16. What is the inverse of resistance called?
  1.    Inductance
  2.    Resistivity
  3.    Conductance
  4.    permittivity
 Discuss Question
Answer: Option C. -> Conductance
Question 17. Which of the following is the most conductive element?
  1.    Copper
  2.    Silicon
  3.    Silver
  4.    Iron
 Discuss Question
Answer: Option C. -> Silver
Question 18. When two Conductors have to be joined, _______________ is used
  1.    suspension clamp
  2.    jointing sleeve
  3.    binding wire
  4.    tension clamp
 Discuss Question
Answer: Option B. -> jointing sleeve
Question 19. The resistance of the conductor is directly proportional to
  1.    resistivity
  2.    Length
  3.    Temperature
  4.    Area of cross-section
 Discuss Question
Answer: Option B. -> Length
Question 20. With the increase in temperature the resistance of semiconductors
  1.    Increases
  2.    Decreases
  3.    Remains constant
  4.    Initially increases and then decreases
 Discuss Question
Answer: Option B. -> Decreases

Latest Videos
Chapter 1 - GLOBAL STEEL SCENARIO & INDIAN STEEL INDUSTRY Part 1 : (13-04-2024) INDUSTRY AND COMPANY AWARENESS (ICA)
Direction Sense Test Part 1 Reasoning (Hindi)
Chapter 1 - RMHP / OHP / OB & BP Part 1 : (14-02-2024) GPOE
Cube & Cuboid Part 1 Reasoning (Hindi)
Data Interpretation (DI) Basic Concept Reasoning (Hindi)
Counting Figures Part 1 Counting Of Straight Lines Reasoning (Hindi)
Sail E0 free webinar Webinars
Real Numbers Part 7 Class 10 Maths
Real Numbers Part 1 Class 10 Maths
Polynomials Part 1 Class 10 Maths

Latest Test Papers

Pie Chart - Test Paper 1 Data Interpretation Reasoning & DI
Tabulation - Test Paper 2 Data Interpretation Reasoning & DI
Test Paper 1 Direction Sense Test Reasoning & DI
ICA , RDIC,GFM Free Modal Test Paper - Non - Technical Branch Old Syllabus 2022 - SAIL Junior Officer E0
GFM Combined 1 Free Revision Test SAIL JO E-0