General Science/,Basic Science Electric Current Sample Test,Sample questions

Question:
In an electric field the acceleration of an electron is

1.a = mE/e

2.me/E

3.a = eE/m

4.e/mE

Posted Date:-2021-10-17 11:43:32


Question:
In the absence of an electric field the free electrons in a metal move

1.in the same direction

2.at a steady speed

3.in opposite directions

4.at random

Posted Date:-2021-10-17 11:43:32


Question:
In the presence of an electric field the free electrons

1.move in the direction of the electric field

2.move in all random directions

3.move at a constant speed

4.get accelerated in the direct of electric field

Posted Date:-2021-10-17 11:43:32


Question:
In the presence of an electric field the free electrons get deflected in different directions due to

1.external field

2.nuclear forces

3.random forces

4.coulomb forces

Posted Date:-2021-10-17 11:43:32


Question:
The average relaxation time is

1.the time during which the electrons relax in between collisions

2.the time over which the electrons get accelerated

3.the time taken for scattering

4.the time taken for deflection

Posted Date:-2021-10-17 11:43:32


Question:
The current is called a steady current when

1.the electrons flow in the same direction

2.the number of electrons in the flow is constant

3.the electrons flow in all directions

4.the rate of flow of electrons is constant

Posted Date:-2021-10-17 11:43:32


Question:
The current through a conductor I is equal to

1.nAeE ?/m

2.nAe2E ?/m

3.nAe2E ?/n

4.nAeE ?/n

Posted Date:-2021-10-17 11:43:32


Question:
The direction of the conventional current corresponds to the direction in which

1.negative charges flow

2.positive charges flow

3.Neutrons flow

4.mesons flow

Posted Date:-2021-10-17 11:43:32


Question:
The drift velocity of the electrons is given by Vd =

1.Ee ?2

2.e/m. ?

3.Ee/ ?. M

4.eE/m. ?

Posted Date:-2021-10-17 11:43:32


Question:
The electric current I is related to Q and t as

1.I = Qt

2.I = t/Q

3.I = Q/t

4.I = Qt2

Posted Date:-2021-10-17 11:43:32


Question:
The electric current in a conductor is measured based on

1.the number of free electrons available

2.the rate of flow of electrons

3.the quantity of charge flow

4.resistance of the conductor

Posted Date:-2021-10-17 11:43:32


Question:
The electric current is due to

1.random motion of electrons

2.drift velocity of electrons

3.Coulomb force between electrons and proton

4.repulsive force between free electrons and other electrons in an atom

Posted Date:-2021-10-17 11:43:32


Question:
The electromotive force

1.is a force

2.is work done

3.produces free electrons

4.is an electric field produced by current flow

Posted Date:-2021-10-17 11:43:32


Question:
The electron current and the conventional current

1.flow in the same direction

2.flow in the opposite direction

3.do not coexist

4.coexist

Posted Date:-2021-10-17 11:43:32


Question:
The expression for the electric current is

1.nAvde/m

2.nAvdE/m

3.nAvde

4.nAvdE

Posted Date:-2021-10-17 11:43:32


Question:
The external force that makes the free electrons to move in a conductor is

1.magnetic force

2.Lorentz force

3.Coulomb�s force

4.electromotive force

Posted Date:-2021-10-17 11:43:32


Question:
The flow of electric current in a conductor is due to12.

1.the Coulomb force on free electrons

2.the Lorentz force on electrons

3.the low resistivity of a conductor

4.the potential difference across the ends of a conductor

Posted Date:-2021-10-17 11:43:32


Question:
The maximum speed of free electrons in metal is of the order of

1.109 cm/s

2.107 cm/s

3.106 m/s

4.105 cm/s

Posted Date:-2021-10-17 11:43:32


More MCQS

  1. General Science - Biology MCQS
  2. General Science - Physics MCQS
  3. General Science - Physics MCQs Part2
  4. General Science - Chemistry MCQs Part1
  5. General Science - Chemistry MCQs Part2
  6. General Science Biology MCQs Set 1
  7. General Science Biology MCQs Set 2
  8. Biology General science Mcq Question set 1
  9. General Science MCQ Questions Set-1
  10. General Science MCQ Questions Set-2
  11. General Science MCQ Questions Set-3
  12. General Science MCQ Questions Set4
  13. Biology General science Mcq Question set 2
  14. Biology General science Mcq Question set 3
  15. Biology General science Mcq Question set 4
  16. General Science MCQ Questions Set -5
  17. General Science MCQ Questions Set -6
  18. General Science MCQ Questions Set -7
  19. General Science MCQ Questions Set -8
  20. General Science MCQ Questions Set -9
  21. General Science MCQ Questions Set -10
  22. General Science MCQ Questions Set -11
  23. General Science MCQ Questions Set -12
  24. General Science MCQ Questions Set -13
  25. General Science MCQ Questions Set -14
  26. Basic Science Genetics Linkage And Crossing Over
  27. Basic Science Genetics.
  28. Basic Science Anatomy Primary Structure Of Plants
  29. Basic Science Anatomy
  30. Basic Science Morphology Of Angiosperms Flower
  31. Basic Science Morphology Of Angiosperms Introduction To Angiosperms
  32. Basic Science botany Plant Physiology Growth
  33. Basic Science botany Plant Physiology Respiration
  34. Basic Science Morphology Of Angiosperms Reproductive Morphology
  35. Basic Science Plant Physiology Transpiration.
  36. Basic Science Taxonomy Of Angiosperms Asteraccae
  37. Basic Science botany Biotechnology
  38. Basic Science Taxonomy Of Angiosperms Asteraccae part 2
  39. Basic Science Taxonomy Of Angiosperms Euphorbiaceae
  40. Basic Science Taxonomy Of Angiosperms Naming Of Plants
  41. Basic Science Embryology Fertilization
  42. Basic Science Embryology Cleavage
  43. Basic Science Embryology Gametogenesis
  44. Basic Science Embryology Gastrulation
  45. Basic Science zoology Embryology Types Of Vertebrate Eggs
  46. Basic Science zoology Environment In Relation To Human Welfare And Diseases
  47. Basic Science Constituents Of Universe
  48. Basic Science De Broglie Waves
  49. Basic Science Fundamental Organisation Human Physiology Circulation
  50. Basic Science Genetics Eugenics And Euthenics
  51. Basic Science Genetics Multiple Alleles
  52. Basic Science Electromagnetic Waves
  53. Basic Science Magnetic Field
  54. ,Basic Science Electric Current
  55. Basic Science Morphology Of Angiosperms Leaf
  56. Basic Science Morphology Of Angiosperms Stem
  57. Basic Science Plant Physiology Photosynthesis
  58. Basic Science Taxonomy Of Angiosperms Dicot Families Fabaceae
  59. Basic Science Taxonomy Of Angiosperms
  60. Basic Science Genetics Gene Expression And Interaction
  61. Basic Science Genetics Mutations Part 1
  62. Basic Science Genetics Mutations Part 2
  63. Basic Science physics Atom Models
  64. Basic Science Nuclear Physics Nuclear Terms
  65. Basic Science Capacitor
  66. Basic Science physics Tangent Law And Galvanometer
  67. Basic Science physics Study Of The Sun
  68. Basic Science Ohms Law
  69. Basic Science biology Aschelminthes Nemathelminthes part1
  70. Basic Science Mass Deflect And Binding Energy
  71. Basic Science biology Aschelminthes Nemathelminthes Part 2
  72. Basic Science Television
  73. Basic Science Universe Galaxies
  74. General Science - Biology MCQs Part 1
  75. General Science - Biology MCQs Part 2
  76. General Science Chemistry MCQs
Search
R4R Team
R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc!