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12th Class PHYSICS MCQs CHAPTER NO.2 CURRENT ELECTRICITY Test No.1

Physics MCQs 2nd Year Chapter No.2 CURRENT ELECTRICITY Test No. 1, 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 – Class 12
Chapter Name : CURRENT ELECTRICITY
Chapter No. 2 (Test No. 1)
Multiple Choice Questions from Text Book
Note : All MCQ’s selected in this test are from OLD board Papers and Text Book.




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2nd Year PHYSICS notes and MCQs are according to latest Paper Pattern of Punjab Boards, All Exercises in Textbooks are solved to ensure the Quality Education to Medical College Students. All MCQs are according to UHS (University of Health Sciences) Lahore approved Syllabus.

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Book Name :  Physics
Chapter No.  2 (Test No. 1 )
Chapter Name : CURRENT ELECTRICITY
Total MCQ from Text Book :  73
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 : Matric Boards of Sindh, KPK, Balochistan, AJK, Gilgit Baltistan, Punjab & Federal
Class / Grade  : 12 ( F.Sc.)
Total Marks : 73
Total Time :   73 minutes 




21

GRADE 12 - PHYSICS CHAPTER NO.2 CURRENT ELECTRICITY Test No. 1

GRADE 12 - PHYSICS CHAPTER NO.2 CURRENT ELECTRICITY Test No. 1

1 / 73

Thermistors with high negative temperature coefficient are very accurate for measuring low temperature near:

2 / 73

The graphical representation of Ohms law is:

3 / 73

The colour code of carbon resistor consists of:

4 / 73

The wire wound over an insulating cylinder of a rhcostat is made of:

5 / 73

A gold band resistor shows a tolerance of:

6 / 73

If the resistances R1, R2and R3 are connected in parallel, then the equivalent resistance is:

7 / 73

The resistance of a conductor at absolute zero (OK) is:

8 / 73

The current across each resistance in series combination is:

9 / 73

The reciprocal of the resistance is called:

10 / 73

If the resistances R1, R2and R3 are connected in series, then the equivalent resistance is:

11 / 73

The presence of electric current is detected by its:

12 / 73

Solar cells converts sun light directly into:

13 / 73

The unit of conductance is:

14 / 73

A wire of uniform area of cross section "A" length "L" and resistance "R" is cut into two equal parts. The resistivity of each part:

15 / 73

The heating effect of current is used in:

16 / 73

If the resistance of 2, 3 and 6 ohms are connected in parallel, their equivalent resistance is:

17 / 73

One coulomb per second is equal to:

18 / 73

Which of the following represents the electric current?

19 / 73

The conventional current is due to flow of:

20 / 73

A silver band resistor shows a tolerance of: .

21 / 73

In Ohms law, which factor remains constant:

22 / 73

The substances whose resistance decreases with increase in temperature have:

23 / 73

Ohm is defined as:

24 / 73

The SI unit of resistivity is:

25 / 73

A wire has a current of 5A in it. How much charge passes through a point in the wire in 2 minutes?

26 / 73

The potential difference across each resistance in parallel combination is:

27 / 73

The process of coating a thin layer of some expensive metal on an article of some cheap metal is called:

28 / 73

Semiconductor is the example of:

29 / 73

The potential difference across each resistance in series combination is:

30 / 73

The thermistors are in the form of:

31 / 73

Heat energy dissipated in a resistor "R" when connected to a battery of "V" volts and current "I" ampere flowing through it for time "t" is given by:

32 / 73

The current through a metallic conductor is due to motion of:

33 / 73

The resistance of a wire is directly proportional to its:

34 / 73

The possible variation of resistor from the marked value means:

35 / 73

The liquid which conduct current is known as:

36 / 73

The velocity of the free electrons at room temperature due to their thermal motion is:

37 / 73

A platinum wire has resistance of 10Ω at 0°C and 20Ω at 273°C. Its value of temperature coefficient is:

38 / 73

An electric current in a wire involves the movement of:

39 / 73

Heating effect caused by an electric circuit is written as:

40 / 73

The filament bulb does not obey Ohms law because:

41 / 73

In electrolyte, the charge carries are:

42 / 73

The thermistors convert change of temperature into:

43 / 73

A thermistor is a heat sensitive:

44 / 73

The reciprocal of the resistivity of a material is called:

45 / 73

The fractional change in resistance per Kelvin is known as:

46 / 73

The resistance of a wire is inversely proportional to its:

47 / 73

The current which passes from a point at higher potential to a point at lower potential is called:

48 / 73

The device which converts heat into electrical energy is:

49 / 73

The speed of randomly moving electrons depends upon:

50 / 73

Thermo-couple converts heat energy into:

51 / 73

The drift velocity of electrons is of the order of:

52 / 73

During the electrolysis of CuSO2 copper is deposited at:

53 / 73

Electric generator converts mechanical energy into:

54 / 73

The vessel containing the two electrodes and the liquid is known as:

55 / 73

If there is no fourth band, it means tolerance is:

56 / 73

Power dissipated in resistor can be calculated by the expression:

57 / 73

What is the current in a 5 x 105 ohm resistor having a potential difference of 5 x 102 volts?

58 / 73

The resistance of a conductor does not depend on its:

59 / 73

The property of a substance which opposes the flow of current is called:

60 / 73

In gases, the charge carriers are:

61 / 73

The resistance of a meter cube of the substance is called:

62 / 73

Power dissipated as heat in the conductor of resistance "R" due to electric current "I" is given by:

63 / 73

A rhcostat can be used as:

64 / 73

The SI unit of current is:

65 / 73

The resistance of a wire increases with increase in:

66 / 73

Three resistance 1Ω, 2Ω and 3Ω are connected in series by a battery of 6 volts then the current flowing through each resistor will be:

67 / 73

A heat sensitive resistor is called:

68 / 73

If the diameter of a wire is doubled, then its resistance will:

69 / 73

The SI unit of temperature coefficient of resistance or resistivity of a material is:

70 / 73

Free electrons are those which are:

71 / 73

The substance having negative temperature coefficient is:

72 / 73

The uniform velocity gained by the electrons in a conductor placed in an electric field is called:

73 / 73

The rate of loss of energy is called:

Your score is

The average score is 56%

0%







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