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Asked: May 6, 20202020-05-06T02:11:50+05:30 2020-05-06T02:11:50+05:30In: Physical Metallurgy & Heat treatment

GATE MT 2020 Q4. A dielectric material is :

Poll Results

8.56%Electrical Conductor ( 28 voters )
4.89%Metallic magnet ( 16 voters )
14.68%Two coupled electrical conductors ( 48 voters )
71.87%Electrical insulator ( 235 voters )
Based On 327 Votes

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GATE MT 2020 Q4. A dielectric material is :
dielectric materialGATE MT 2020 Question Paper With SolutionGATE MT Physical metallurgyGATE MT Previous Year Questions With Solutionmaterial science
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    1. Best Answer
      Sanjay Madishetty Iron
      2020-05-06T07:11:10+05:30Added an answer on May 6, 2020 at 7:11 am

      A dielectric material is an insulator that can be polarized by applying an electric field. When it is placed in an electric field their will not be any motion of electric particles as in of conductors, but there will be slightly shift in their equilibrium positions causing dielectric polarization. DRead more

      A dielectric material is an insulator that can be polarized by applying an electric field. When it is placed in an electric field their will not be any motion of electric particles as in of conductors, but there will be slightly shift in their equilibrium positions causing dielectric polarization. Due to polarization the positive charge particles move in direction of field and negative charge particles in direction opposite to field.

      The dielectric material helps in storing  energy and is used in capacitors.

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      • Askmemetallurgy Official official account of Askmemetallurgy
        2020-05-06T18:04:49+05:30Replied to answer on May 6, 2020 at 6:04 pm
        This answer was edited.

        Correct answer is option D. @Sanjay Madishetty described it best. Thank You.

        Correct answer is option D. Sanjay Madishetty described it best. Thank You.

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    2. Anonymous
      2020-05-06T13:39:33+05:30Added an answer on May 6, 2020 at 1:39 pm

      A dielectric material is an electrical insulator that can be polarized by an applied electric field

      A dielectric material is an electrical insulator that can be polarized by an applied electric field

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    3. [email protected] Platinum
      2020-05-06T10:33:00+05:30Added an answer on May 6, 2020 at 10:33 am

      Electrical insulator

      Electrical insulator

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    4. Gaurav Kumar Gold
      2020-05-06T11:38:36+05:30Added an answer on May 6, 2020 at 11:38 am

      Electrical insulator

      Electrical insulator

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    5. Yashwant kumar
      2020-05-06T14:15:51+05:30Added an answer on May 6, 2020 at 2:15 pm

      Sir i have a question of unit cell...what is Effective atoms and what is the purpose of it  

      Sir i have a question of unit cell…what is Effective atoms and what is the purpose of it

       

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    6. Nandhakumar Silver Student
      2020-05-07T07:08:01+05:30Added an answer on May 7, 2020 at 7:08 am

      Dielectric material is electrically insulating material . It is used in Capacitors.

      Dielectric material is electrically insulating material . It is used in Capacitors.

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    7. Rohit jha Copper To build up and strengthen concepts of Metallurgical engineering and material science
      2020-06-17T18:51:51+05:30Added an answer on June 17, 2020 at 6:51 pm

      Answer: Electrical Insulator Insulators are a group of solids having  an energy gap of 3 eV or more. Due to this much energy band gap the chance of electrons being energized from the valence band to the conduction band by thermal methods, therefore the insulators are very poor conductors of electricRead more

      Answer: Electrical Insulator

      Insulators are a group of solids having  an energy gap of 3 eV or more. Due to this much energy band gap the chance of electrons being energized from the valence band to the conduction band by thermal methods, therefore the insulators are very poor conductors of electricity and these insulators are known as dielectric materials,which is being used in electronic industries.

      The most common examples of dielectric materials are Mica sheet, paper, glass etc.

      Hope this answer will help you guys.

      Thank You

       

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