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

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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




20

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

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

1 / 95

The unit of Magnetic Flux

2 / 95

The SI unit of magnetic induction is

3 / 95

The magnetic flux B is equal to

4 / 95

The sensitivity of galvanometer is given by

5 / 95

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

6 / 95

The sensitivity of galvanometer is given by

7 / 95

Brightness of screen of CRO controlled by

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

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

10 / 95

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

11 / 95

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

12 / 95

In order to measure potential difference voltmeter is always connected in

13 / 95

1 tesla is equal to

14 / 95

DMM stands for

15 / 95

The unit of magnetic flux is

16 / 95

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

17 / 95

The sensitivity of a galvanometer can be, increased by

18 / 95

The value of permeability of free space µ0 is given by

19 / 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

20 / 95

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

21 / 95

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

22 / 95

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

23 / 95

Lorentz force is given by

24 / 95

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

25 / 95

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

26 / 95

Torque on a current carrying coil is given by

27 / 95

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

28 / 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?

29 / 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

30 / 95

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

31 / 95

The ray which remain undeflected in a magnetic field is

32 / 95

The brightness of the spot on CRO screen is controlled by

33 / 95

The brightness of spot on CRO screen is controlled by

34 / 95

A voltmeter is always connected in circuit in

35 / 95

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

36 / 95

The brightness of the spot on CRO screen is controlled by

37 / 95

Energy stored per unit volume inside a solenoid is called

38 / 95

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

39 / 95

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

40 / 95

One Tesla is equal to

41 / 95

The brightness of spot in CRO is controlled by

42 / 95

A voltmeter is always connected in

43 / 95

The sum of electric and magnetic force is called

44 / 95

The e/m of a neutron is

45 / 95

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

46 / 95

The SI unit of electric flux is:

47 / 95

The value of e/m is smallest for

48 / 95

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

49 / 95

1 Tesla =

50 / 95

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

51 / 95

The S.I unit of magnetic flux is given by

52 / 95

Total Flux through a closed surface depends on

53 / 95

Two parallel wires carrying current in the same direction:

54 / 95

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

55 / 95

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

56 / 95

The number of electrons on CRO is controlled by

57 / 95

The sensitivity of galvanometer is given by

58 / 95

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

59 / 95

An avometer can also be called as

60 / 95

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

61 / 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?

62 / 95

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

63 / 95

Which is the correct relation

64 / 95

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

65 / 95

The magnetic force is

66 / 95

Two parallel straight wires carrying current in same direction will

67 / 95

Emf is induced due to change in

68 / 95

Shunted galvanometer is called

69 / 95

One Tesla is equal to

70 / 95

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

71 / 95

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

72 / 95

Magnetic effect of current was discovered by

73 / 95

AVOmeter basically consists of

74 / 95

The resistance of an ideal ammeter

75 / 95

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

76 / 95

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

77 / 95

A voltmeter is an electrical instrument which is used to measure

78 / 95

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

79 / 95

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

80 / 95

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

81 / 95

The brightness of spot in CRO is controlled by

82 / 95

The magnetic force is simply a

83 / 95

A strong magnetic field is applied to a stationary electron then

84 / 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?

85 / 95

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

86 / 95

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

87 / 95

The charges moving perpendicular to magnetic field experience force

88 / 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

89 / 95

The CRO is used for

90 / 95

The resistance of ideal voltmeter is

91 / 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

92 / 95

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

93 / 95

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

94 / 95

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

95 / 95

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

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