FSC Part 2 Physics Chapter 13 Online Test Preparation

FSC Part 2 Physics
Chapter 13 Test

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Physics FSC Part 2 Chapter 13 Online MCQ's Test

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Question # 1

A rheostat can operate as.

Question # 2

A charged conductor has charge on its.

Question # 3

The condition for the wheatstone bridge to be balanced is given by

Question # 4

The resistivity of --------------------decrease with the increase in temp

Question # 5

The free electrons experience force.

Question # 6

Unit (S.I) of temperature coefficient of resistivity of a material is

Question # 7

In carbon resistors, then value of Blue colour is.

Question # 8

The current flowing through each resistor of equal resistance in parallel combination is.

Question # 9

The heat produced by passage of current. 

Question # 10

By increasing the temperature of conductor, the flow rate of charges.

Question # 11

Calculate current in 2 2R /4Ω resistor.

Question # 12

The current through a resistance of 100 Ohm when connecting across a source of 220 V is.

Question # 13

The thermistors convert changes of temperature into.

Question # 14

Specific resistance of a material depends upon.

Question # 15

Colour codes are used to calculate the.

Question # 16

The Kirchhoff 1st rule is manifestation of:

Question # 17

A substance having the negative temperature co efficient of resistivity out of the following is.

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FSC Part 2 Physics Chapter 13 Online Test MCQ's

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Sr. # Question Answer
1 A certain wire has a resistance R, the resistivity of an other wire of an identical material with the first, except for twice its diameter is.

A. 1/4 R

B. 4R

C.2R

D. Same as R

2 The unit of resistance is:

A. Ω

B. Ωm

C.Ω-1m-1

D. Ωm-1

3 Resistance tolerance of silver band is.

A. 10%

B. 6%

C.7%

D. 5%

4 A rheostat can be used as variable resistor as well as a-------------

A. Potential divider

B. Current divider

C.Wheat stone bridge

D. Power divider

5 Resistivity at a given temperature depends upon.

A. Area of cross section

B. Length

C.Nature of material of conductor

D. Both length and area

6 Heat generated by a 40 W bulb in one hour is.

A. 140 J

B. 1440 J

C.14400 J

D. 144000 J

7 The reciprocal of resistance is called.

A. Capacitance

B. Resistance

C.Conductance

D. Inductance

8 In gas the charge carriers are:

A. Electrons

B. Ions

C.Both a & b

D. None of above

9 When a wire is stretched and its radius becomes r/2, then its resistance will be

A. 16 R

B. 4 R

C.2R

D. 0

10 The unit of conductivity is:

A. Ohm-3m-1

B. Ohm m-1

C.Both a and b

D. Ohm m-1

11 The free electrons experience force.

A. In direction of -E

B. In direction of E

C.Both A and B

D. All of the above

12 Ampere second stands for the unit of.

A. Charge

B. emf

C.energy

D. Power

13 Potentiometer is used to.

A. Compare emf of two cells

B. Detect internal resistance of cell

C.Measure P.D.

D. All of these

14 During electrolysis process, density of CuSO4 solution

A. Remains constant

B. Decreased

C.Increased

D. None of these

15 The thermistors convert changes of temperature into.

A. Light energy

B. Electric voltage

C.Heat

D. Sound

16 Heat sensitive resistors are called.

A. resistors

B. Capacitor

C.Thermistors

D. Inductors

17 Semiconductor diodes are called:

A. Ohmic

B. non ohmic

C.Both a & b

D. none of above

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