MDCAT Physics Chapter 13 Deformation of Solids MCQ's Test With Answers

MDCAT Physics Chapter 13 Deformation of Solids MCQ's Test

Sr. # Questions Answers Choice
1 The energy need to magnetize and demagnetize the specimen during the each cycle of magnetizing current is Value of current Value of demagnetizing current Value of magnetic flux density Area of the loop
2 Hysteresis is the loop in which the material is magnetized and its curve never pass through The same line One side of origin Origin None of these
3 A current which demagnetize the material completely is called Applied current Coercive current Maximum current None of these
4 Remanance or Retentivity is the phenomenon in which the material still remains strongly magnetized when curve is Increase to maximum Reduce to minimum Reduce to zero None of these
5 The saturation of the material reached when magnetic flux density changes from Zero to minimum value Zero to maximum value Maximum to zero value Minimum to negative value
6 In the phenomenon of hysteresis, the magnetism and magnetizing current behaves as I lags 1 leads B I & B becomes equal None of these
7 The curie temperature of iron is 600 C<sup>o</sup> 650 C<sup>o</sup> 700 C<sup>o</sup> 750 C<sup>o</sup>
8 A temperature at which the material losses its orderliness is know as Ambient temperature Curie temperature Highest temperature None of these
9 Hard magnetic materials are Iron Steel Alnico None of these
10 A special alloy called Alnico is known as Soft magnetic material Hard magnetic material In between soft and hand magnetic material None of these
11 The combination of solenoid and a specimen of iron inside it make a power full magnet called Horse shoe magnet Bar magnet Electromagnet&nbsp; 10<sup>-10</sup> to 10<sup>18</sup>
12 Each domain contains the atoms of range of 10<sup>-10</sup> to 10<sup>18</sup> 10<sup>10</sup> to 10<sup>16</sup> 10<sup>12</sup> to 10<sup>17</sup> 10<sup>12</sup> to 10<sup>16</sup>
13 The domains are the small regions of the order of Millimeter&nbsp; Micrometer Micron None of these
14 Ferromagnetic materials are those in which atoms cooperate with each other Weakly Strongly Moderately None of these
15 The motion of a charged nucleus also produces a magnetic field which is Weaker than orbital electrons Stronger than orbital electrons&nbsp; Equal than orbital electrons&nbsp; None of these
16 The examples of diamagnetic substances  Water Copper Antimony All of them
17 Diamagnetic substances are those in which Spin and orbital motions are supported Spin and orbital motions are opposed&nbsp; Resultant of spin and orbital motion is zero None of these
18 Paramagnetic substances are those in which Spin and orbital motions are supported Spin and orbital motions are opposed Spin and orbital motions supported a little None of these
19 An atom in which there is a resultant magnetic field behave like a Tiny magnet Magnetic dipole No magnet a and b
20 The magnetism produced by electrons within an atom is due to Spin motion Orbital motion Spin and orbital motion None of these
Download This Set

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!