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12th Class PHYSICS CHAPTER NO.3 ELECTROMAGNETISM Test No.2 MCQs

Physics MCQs 2nd Year Chapter No.3 ELECTROMAGNETISM Test No. 2, FSc, Grade 12, Second Year Multiple Choice Questions, Medical College ( MDCAT ) , ECAT & University Admission Entry Test Exams Online Preparation, Chapter Wise Questions Answers Quiz Notes in Pdf Download, All Old Board Papers included, All Queries reply within 24 Hours. Click here to Contact us for any Query/Question regarding Exams.

PHYSICS – 2nd Year
Chapter Name : ELECTROMAGNETISM
Chapter No. 3  [ Test No.2 ]
Multiple Choice Questions
Note : All MCQ’s selected in this test are from OLD F.Sc. board , UHS and PMC(Pakistan Medical Commission) Islamabad Papers.
 








Book Name :  PHYSICS
Chapter No.  3  (Test No. 2)
Chapter Name : ELECTROMAGNETISM 
Total MCQ from Text Book :  95
Book Version  :
2022

Published By : Punjab Text Book Board Lahore
Approved By : Govt of the Punjab and Federal Ministry for Education
Test Type : MCQ’s
Exam conduct By : Inter Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 12 ( F.Sc. Intermediate)
Total Marks : 95
Total Time :   95 minutes




232

GRADE 12 - PHYSICS CHAPTER NO.3 ELECTROMAGNETISM Test No. 2

GRADE 12 - PHYSICS CHAPTER NO.3 ELECTROMAGNETISM Test No. 2

1 / 95

In order to measure potential difference voltmeter is always connected in

2 / 95

A voltmeter is always connected in circuit in

3 / 95

The relation between current I and angle of deflection ? in a moving coil galvanometer is

4 / 95

The magnetic force is

5 / 95

The magnetic flux B is equal to

6 / 95

An electron is moving in -a circle of radius r in a uniform magnetic field B. Suddenly the field is reduced to The radius of circle now becomes

7 / 95

Useful device to measure resistance current and voltage is an electronic instrument called

8 / 95

Proton and a - particle moving with same velocity enter a magnetic field perpendicularly. Which of the following is the ratio of radius of proton to a - particle

9 / 95

Which is the correct relation

10 / 95

The effective way to increase the sensitivity of moving coil galvanometer is

11 / 95

A power line lies along east-west direction and carries a current of 10A. Which of the following is the force Per meter due to earth's magnetic-field of 10-4 tesla?

12 / 95

A proper combination of a galvanometer and a series of resistance acts as

13 / 95

The CRO is used for

14 / 95

If a high resistance is connected in series with the galvanometer the resulting instrument is called

15 / 95

AVOmeter basically consists of

16 / 95

The brightness of spot in CRO is controlled by

17 / 95

When an electron is entered in a magnetic field, The magnitude of velocity of electron

18 / 95

The SI unit of electric flux is:

19 / 95

A uniform magnetic field is represented by a set of lines of force which are

20 / 95

The brightness of spot on CRO screen is controlled by

21 / 95

A device which can measure current, potential difference and resistance is called

22 / 95

A charged particle enters at 30° to the magnetic field Its path becomes

23 / 95

The magnetic force is simply a

24 / 95

Brightness of screen of CRO controlled by

25 / 95

Two parallel straight wires carrying current in same direction will

26 / 95

The sensitivity of galvanometer is given by

27 / 95

A current flows in a conductor from east to west. The direction of the magnetic field at a point above the conductor is towards

28 / 95

1 Tesla =

29 / 95

When a charge is projected perpendicular to a uniform magnetic field, its path is

30 / 95

The high resistance Rh to convert a galvanometer into a voltmeter is Rh=

31 / 95

One Tesla is equal to

32 / 95

The sensitivity of a galvanometer can be, increased by

33 / 95

Magnetic effect of current was discovered by

34 / 95

Torque is produced in a current carrying coil when it is placed in a

35 / 95

A magnet drops down a long vertical copper tube. As it falls down the tube its velocity

36 / 95

If a charge is at rest in a magnetic field then force on charge is

37 / 95

The brightness of the spot on CRO screen is controlled by

38 / 95

The e/m of a neutron is

39 / 95

If a high resistance is connected in series to a galvanometer, then galvanometer is converted into

40 / 95

The value of e/m is smallest for

41 / 95

The ray which remain undeflected in a magnetic field is

42 / 95

A charged particle moves along a circle under the action of possible electric and magnetic fields. Which of the following is possible

43 / 95

The value of permeability of free space µ0 is given by

44 / 95

The resistance of an ideal ammeter

45 / 95

The galvanometer can be made sensitive by making the factor BAN/C

46 / 95

The SI unit of magnetic induction is

47 / 95

The unit of magnetic flux is

48 / 95

Emf is induced due to change in

49 / 95

The sensitivity of galvanometer is given by

50 / 95

In case of conversion of galvanometer into ammeter the shunt resistance is connected

51 / 95

1 tesla is equal to

52 / 95

The brightness of the spot on CRO screen is controlled by

53 / 95

Energy stored per unit volume inside a solenoid is called

54 / 95

In order to increase the range of voltmeter, the series resistance is

55 / 95

The unit of Magnetic Flux

56 / 95

A strong magnetic field is applied to a stationary electron then

57 / 95

The sum of electric and magnetic force is called

58 / 95

A magnetic needle is kept in a non-uniform magnetic field it experience

59 / 95

A voltmeter is an electrical instrument which is used to measure

60 / 95

The radius of curvature of the path of charged particle in a uniform magnetic field is directly proportional the

61 / 95

To convert a-galvanometer into an ammeter, of range I ampere the shunt resistance is given by

62 / 95

Force on a charged particle is zero when projected at angle with the magnetic field

63 / 95

Which of the following in motion can not be deflected by magnetic field?

64 / 95

A horizontal wire of 10cm and mass 0.3gm carries a current of 5A. Which of the following is the magnitude of the magnetic field that can support the weight of wire?

65 / 95

The brightness of spot in CRO is controlled by

66 / 95

The number of electrons on CRO is controlled by

67 / 95

If the number of turns become double but length remain same, then magnetic field in the solenoid become:

68 / 95

A charged particle enters in a strong magnetic field its k.E.

69 / 95

Torque on a current carrying coil is given by

70 / 95

A charged particle moves through a magnetic field in a direction perpendicular to it. Which of the following remain unchanged for the partical

71 / 95

A 2Mev proton is moving perpendicular to a uniform magnetic field of 2.5T. Which of the following is the magnetic force on proton?

72 / 95

Total Flux through a closed surface depends on

73 / 95

A voltmeter is always connected in

74 / 95

Galvanometer can be converted into voltmeter by connecting a high resistance in:

75 / 95

In a current carrying long solenoid the magnetic filed produced does not depend upon

76 / 95

Lorentz force is given by

77 / 95

A charged particle is moving in uniform magnetic field in a circle. The radius of circular path is R. If q nervy of particle is doubled then the new radius will be

78 / 95

The S.I unit of magnetic flux is given by

79 / 95

The sensitivity of galvanometer is given by

80 / 95

An electron and a proton enter a magnetic field with same velocity. Which of the following is the ratio of the acceleration

81 / 95

A current carrying loop is placed in a uniform magnetic field. The torque acting on it, does not depend upon

82 / 95

An avometer can also be called as

83 / 95

One Tesla is equal to

84 / 95

Two parallel wire carrying current in the same direction attract each other because of

85 / 95

DMM stands for

86 / 95

Shunted galvanometer is called

87 / 95

Voltmeter of range IV has a resistance of 1000?. To extend the range to 10V the additional series required is

88 / 95

The charges moving perpendicular to magnetic field experience force

89 / 95

If a long hollow copper pipe carries a direct current The magnetic field due to current will be

90 / 95

Two parallel wires carrying current in the same direction:

91 / 95

If 0.5 T filled over an area of 2(m2) which lies at an angle of 60° with field. Then the resulting flux will he

92 / 95

In order to increase sensitivity galvanometer the value of C may by

93 / 95

An electron enters the magnetic field at right angle from left B is into paper. The electron will be deflected

94 / 95

In order to increase the range of an ammeter, the shunt resistance is

95 / 95

The resistance of ideal voltmeter is

Your score is

The average score is 34%

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