General Science/Basic Science physics Tangent Law And Galvanometer Sample Test,Sample questions

Question:
A coil of 100 turns and area 0.5 m2 has its plane perpendicular to a uniform magnetic field of induction 0.2m Wb/ m2.Then magnetic flux through the coil is

1.zero

2.0.1 Wb

3.1 Wb

4.10 Wb


Question:
A current of 1.5A flows through the coil of 5 turns of a tangent galvanometer having a diameter 0.3m. If the deflection of the needle at its centre is 45� then the horizontal intensity of earths field at that place is

1.250 A-turn/m250 A-turn/m

2.25 A-turn/m

3.2.5 A-turn/m

4.2500 A-turn/m


Question:
A current of 1A flowing through a property arranged tangent galvanometer produces a deflection of 30� in the needle. The current required to produce a deflection of 60� is

1.2A

2.1.5A

3.3A

4.4A


Question:
A magnetic needle suspended at a place having two magnetic fields comes to rest when

1.two fields are at right angle

2.one of the field coincides with earths magnetic field

3.couples acting on the needle are equal and opposite

4.the needle is around 45�


Question:
A tangent galvanometer is an absolute instrument because

1.it uses a small magnetic needle

2.it measures earths magnetic field

3.it is sensitive around 45�

4.it does not take the help of other instruments for calibration


Question:
By tangent law the field due to the magnet is

1.B

2.tan ?

3.B tan ?

4.None of them


Question:
During the initial adjustment the magnetic needle of the deflection magnetometer in Tan B position

1.position East � West direction

2.is perpendicular to magnetic meridian

3.points North � South direction

4.shows 0-0 on the graduated scale


Question:
During the initial adjustment the pointer of the deflection magnetometer in TanA position.

1.points East � West direction

2.points North � South direction

3.is perpendicular to magnetic meridian

4.is along the arms


Question:
For a short magnet placed along the arms of deflection magnetometer in TanA position

1.2M/d3 tan ? ? 10-7 = B

2.M/B ? 107 = d3 tan ?

3.M = d3 B tan ? ? 107

4.M/B = d3/2 . tan ? ? 107


Question:
For a short placed across the arms of deflection magnetometer in tan B position

1.M/B = d3/2 .tan ? ? 107

2.M/B = 10-7 d3 tan ?

3.M/B = d3 tan ? ? 107

4.M/B = 10-7.d3/2 .tan ?


Question:
If the field at the centre of a coil of radius 8 cm having 80 turns is 200 A-turn/m then the current passing through it is

1.4:00 AM

2.40 A

3.0.4 A

4.400 A


Question:
If the reduction factor of a tangent galvanometer is 900mA then the current that produces a deflection of 30� in it is

1.400mA

2.520A

3.450A

4.520mA


Question:
in a coil of radius r and having n turns the intensity of magnetic field produced by current of I A is

1.H = n I/2r2

2.H = n I/2r

3.H = 2r/n I

4.H = n I/2


Question:
In Tan A position a short bar magnet placed at a distance of 30 cm from the mid-point of the needle produces a deflection of 45�. When another magnet is placed at the same distance it produces a deflection of 30�. Then the ratio of their magnetic moments is

1.1.1

2.1.72

3.5.1732

4.1.732


Question:
In Tan A position of equal distance method of comparing the magnetic moments of bar magnets the ratio of their moments is given by

1.M1/M2 = (d2+l12)2 tan ?1/ (d2+l22)2 tan ?2

2.M1/M2 = (d2+l12)3/2 tan ?1/ (d2+l22)3/2 tan ?2

3.M1/M2 = (d2-l12)2 tan ?1/ (d2-l22)2 tan ?2

4.M1/M2 = (d2-l12)3/2 tan ?1/ (d2-l22)3/2 tan ?2


Question:
In Tan A position of null deflection method of comparing the magnetic moments of bar magnets the ratio of their moments is given by

1.M1/M2 = (d12-l12)2 d2/ (d12-l22)2 d1

2.M1/M2 = (d12-l12)2 d1/ (d12-l22)2 d2

3.M1/M2 = (d12+l12)2 d1/ (d12+l22)2 d2

4.M1/M2 = (d12+l12)2 d2/ (d22-l22)2 d1


Question:
In Tan B position of equal distance method of comparing magnetic moments of bar magnets the ratio of their moments is given be

1.M1/M2 = (d2+l22)3/2 tan ?1/ (d2+l12)3/2 tan ?2

2.M1/M2 = (d2+l12)3/2 tan ?1/ (d2+l22)3/2 tan ?2

3.M1/M2 = (d2-l12)2 tan ?1/ (d2+l22)2 tan ?2

4.M1/M2 = (d2+l12)2 tan ?1/ (d2+l22)2 tan ?2


Question:
In Tan B position of null deflection method of comparing the magnetic moments of bar magnets the ratio of their moments is given by

1.M1/M2 = (d12+l12)3/2/ (d22+l22)3/2

2.M1/M2 = (d12-l12)3/2/ (d22-l22)3/2

3.M1/M2 = (d22+l22)3/2/ (d12+l12)3/2

4.M1/M2 = (d22-l22)3/2/ (d12-l12)3/2


Question:
In TanA position the arms of the magnetometer are kept

1.parallel to the magnetic meridian

2.along the magnetic meridian

3.perpendicular to the magnetic meridian

4.along the equator


Question:
In tangent galvanometer experiment the plane of the coil should be adjusted to be along the

1.magnetic axis

2.equator

3.magnetic meridian

4.East-West direction


Question:
Magnetic intensity due to a bar magnet of length 2l and pole strength m at an equatorial point at a distance d from the mid-point is

1.�0/4? . Md/(d2+l2 )3/2

2.�0/4? . 2Md/(d2+l2 )3/2

3.�0/4? . M/(d2+l2 )3/2 parallel to axis directed N ?S

4.�0/4? . M/(d2+l2 )3/2 parallel to axis directed S ?N


Question:
Plane of the tangent galvanometer is set along the magnetic meridian because in that case the field due to current is

1.zero

2.parallel to the magnetic meridian

3.perpendicular to the magnetic meridian

4.infinity


Question:
Tangent galvanometer works on the principle of

1.Biot-Savarts law

2.Amperes law

3.Coulombs law

4.Tangent law


Question:
Tangent law is used

1.when two uniform and mutually perpendicular magnetic fields are present

2.when two uniform and parallel magnetic fields are present

3.when two magnetic fields are present

4.when horizontal component of the earths magnetic field is present


Question:
The circular compass box of a tangent galvanometer has graduations

1.from 0 to 360�

2.from 0� to 180�

3.from 0� to 90�

4.from 0� to 45�


Question:
The deflection magnetometer is constructed such that the centre of the magnetic needle

1.is at the centre of the compass box

2.is at the centre of the plate form

3.is at the centre of the magnetic meridian

4.coinides with the zeros of the graduations an the arms


Question:
The deflection magnetometer works on the principle of

1.Coulombs law

2.Biot-savart law

3.Tangent law

4.Ampere law


Question:
The deflection of magnetic needle produced by two short magnets are 30� and 60� respectively when the magnets are placed at the same distance along the ration of their magnetic moments is

1.1:02

2.2:01

3.3:01

4.1:03


Question:
The field at the centre of a coil of radius 16 cm having 10 turns and carrying a current of 8 A is

1.25 A-turns/m

2.2.5 A-turns/m

3.80?10-2 A-turns/m


Question:
The magnetic field along the axis of a bar magnet is

1.B = �0/4? . 2Md/(d2-l2)3/2

2.B = �0/4? . M/(d2+l2)3/2

3.B = �0/4? . 2Md/(d2-l2)2

4.B = �0/4? . M/(d2+l2)2


Question:
The magnetic needle of a tangent galvanometer is kept small because the magnetic field is

1.very small

2.very large

3.considered to be uniform over a small area

4.such that it is convenient to handle small needle


Question:
The plane of the compass box of a tangent galvanometer is

1.along the magnetic meridian

2.parallel to the turn table

3.parallel to the plane of the coil

4.vertical


Question:
The reduction factor k of a tangent galvanometer is

1.2nHh

2.2Hh/r

3.2rHh/n

4.2nrHh


Question:
The tangent galvanometer is more sensitive when the deflection is around

1.0�

2.30�

3.90�

4.45�


Question:
The tangent galvanometer is used to determine

1.potential difference

2.deflection

3.resistance

4.current


Question:
the two turn coil of a tangent galvanometer

1.is used to produce a magnetic field

2.is used to measure currents of low value

3.is used to measure currents of high value

4.is made with thin wire


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!