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




153

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

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

1 / 95

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

2 / 95

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

3 / 95

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

4 / 95

Shunted galvanometer is called

5 / 95

The value of permeability of free space µ0 is given by

6 / 95

Brightness of screen of CRO controlled by

7 / 95

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

8 / 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

9 / 95

A voltmeter is always connected in

10 / 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

11 / 95

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

12 / 95

The sensitivity of galvanometer is given by

13 / 95

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

14 / 95

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

15 / 95

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

16 / 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

17 / 95

AVOmeter basically consists of

18 / 95

The brightness of spot in CRO is controlled by

19 / 95

DMM stands for

20 / 95

An avometer can also be called as

21 / 95

The number of electrons on CRO is controlled by

22 / 95

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

23 / 95

Total Flux through a closed surface depends on

24 / 95

A voltmeter is always connected in circuit in

25 / 95

The magnetic force is

26 / 95

The charges moving perpendicular to magnetic field experience force

27 / 95

The brightness of the spot on CRO screen is controlled by

28 / 95

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

29 / 95

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

30 / 95

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

31 / 95

The value of e/m is smallest for

32 / 95

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

33 / 95

A voltmeter is an electrical instrument which is used to measure

34 / 95

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

35 / 95

The brightness of the spot on CRO screen is controlled by

36 / 95

1 tesla is equal to

37 / 95

Torque on a current carrying coil is given by

38 / 95

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

39 / 95

One Tesla is equal to

40 / 95

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

41 / 95

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

42 / 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?

43 / 95

One Tesla is equal to

44 / 95

The sum of electric and magnetic force is called

45 / 95

The CRO is used for

46 / 95

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

47 / 95

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

48 / 95

The SI unit of magnetic induction is

49 / 95

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

50 / 95

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

51 / 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?

52 / 95

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

53 / 95

Energy stored per unit volume inside a solenoid is called

54 / 95

The sensitivity of galvanometer is given by

55 / 95

Two parallel straight wires carrying current in same direction will

56 / 95

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

57 / 95

The SI unit of electric flux is:

58 / 95

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

59 / 95

The ray which remain undeflected in a magnetic field is

60 / 95

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

61 / 95

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

62 / 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

63 / 95

The e/m of a neutron is

64 / 95

The unit of Magnetic Flux

65 / 95

The resistance of ideal voltmeter is

66 / 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

67 / 95

A strong magnetic field is applied to a stationary electron then

68 / 95

Which is the correct relation

69 / 95

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

70 / 95

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

71 / 95

Lorentz force is given by

72 / 95

The resistance of an ideal ammeter

73 / 95

The magnetic force is simply a

74 / 95

The S.I unit of magnetic flux is given by

75 / 95

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

76 / 95

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

77 / 95

The sensitivity of a galvanometer can be, increased by

78 / 95

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

79 / 95

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

80 / 95

1 Tesla =

81 / 95

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

82 / 95

The brightness of spot in CRO is controlled by

83 / 95

The unit of magnetic flux is

84 / 95

Emf is induced due to change in

85 / 95

In order to measure potential difference voltmeter is always connected in

86 / 95

The brightness of spot on CRO screen is controlled by

87 / 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?

88 / 95

Two parallel wires carrying current in the same direction:

89 / 95

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

90 / 95

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

91 / 95

The magnetic flux B is equal to

92 / 95

Magnetic effect of current was discovered by

93 / 95

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

94 / 95

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

95 / 95

The sensitivity of galvanometer is given by

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The average score is 34%

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