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 magnetism produced by electrons within an atom from motion/motions of electron. One motion Two motions Three motions None of these
2 The magnetic field produced due to circulating currents. The idea was first given by  Faraday Ampere Lenz None of these
3 The field of a long bar magnet is like a Two pole pieces of magnet Solenoid Toroid None of these
4 The magnetic fields are produced by the  Moving charges Bar magnets Motion of conductor in a magnetic field All of them
5 The technological uses of superconductors are MRI Magnetic levitation trains Faster computer chips All of them
6 High temperature superconductors have temperature Above 77 K Below 77 K At 77 K None of these
7 In 1986 a new class of ceramic material was discovered at temperature as high as  19 K 78 K 108 K 12 K
8 The critical temperature Tc for lead is 5.4 K 6.3 K 6.9 K 7.2 K
9 The critical temperature T for is 1.6 K 2.71 K 3.72 K 2.82 K
10 The critical temperature Tc for Aluminium is 2.1 K 1.1 K 1.18 K 1.19 K
11 The electrical resistance of mercury disappeared below temeprature 2.1 K 3.4 K 4.1 K 4.2 K
12 The first superconductor was discovered by Fermi Kmaerlinghormes  Weinberg None of these
13 The first superconductor was discovered in 1905 1911 19161 1920
14 The current once established, does not require Current source Source of emf Induced current None of these
15 In super conductors, once the current is established it exists  1 day 30 days indefinitely  None of these
16 In superconductors, the resistance of a material drops to zero and no Power is dissipated  Energy is dissipated  Current is dissipated  None of these
17 Super conductor offers no resistance to Thermal agitation Electric current Induced current None of these
18 Super conductors are materials like Alloys Ceramic Semiconductors  a and b
19 Super conductors are the those materials whose resistivity becomes zero below certain temperature called Curie temperature Fixed temperature Critical temperature None of these
20 In semiconductor Si or Ge a missing electron in covalent bond from an atom is a Charged atom Hole Ion All of them
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