ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

Top Scorers Of Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQ`s Test

M

Mehreen Ather 02 - Dec - 2024 30 Min 19 Sec 90/120
S

Salvaa Sheikh 13 - Sep - 2024 24 Min 16 Sec 85/120
S

Sualeh Murtaza 15 - Nov - 2024 05 Min 29 Sec 80/120
N

Nitalaya Hassan 23 - Dec - 2024 06 Min 15 Sec 80/120
T

Talha Khalil 18 - Jun - 2026 10 Min 55 Sec 80/120
F

Fatima Anis 26 - Dec - 2024 13 Min 35 Sec 80/120
A

Abdullah Zubair 25 - Dec - 2024 14 Min 30 Sec 80/120
C

Ch Ubaid Ullah 06 - Mar - 2026 17 Min 40 Sec 80/120
A

Ahmad Sufyan 05 - May - 2026 18 Min 20 Sec 80/120
H

Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
F

Furqan Asif 26 - Mar - 2026 36 Min 02 Sec 72/120
U

usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
T

Taha 18 - Mar - 2026 17 Min 17 Sec 68/120
H

hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
H

Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	The electric field due to an infinite long thin wire at a distance R varies as	A. 1/R B. 1/R² C. R D. R²
2	The resistivity of a substance depends upon the	A. length B. mass C. area D. temperature
3	The material in the form of wire or rod or plate which leads the current into or cut of the electrolyte is known as	A. voltmeters B. resistance C. electrode D. current
4	Consider a spherical shell of metal at he centre of which a positive point charge is kept	A. The electric filed is zero outside the shell B. The electric field is zero everywhere C. The electric field is zero in the region inside the shell D. The electric field is non-zero in both regions outside and inside the shell
5	If a 40 watt light bulb burns for 2 hours. how much heat is generated	A. 288 x 10³J B. 288 x 10⁸J C. 288 x 10⁵J D. 288 x 10⁶J
6	A 50 volt battery is connected across 10 ohm resistor. The current is 4.5 A. The internal resistance of the battery is	A. Zero B. 0.5Ω C. 1.1Ω D. 5.0Ω
7	A 10 F capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt.The capacitance of second capacitor is	A. 10μF B. 20μF C. 30μF D. 15μF
8	A point charge A of charge +4μC and another B of charge -1μC are placed in air at a distance 1 m apart. Then the distance of the point on the line joining the charge B, where the resultant electric field is zero, is (in m)	A. 2 B. 1 C. 0.5 D. 1.5
9	Resistance of a conductor depends upon	A. the quantity of current passing through it B. the voltage applied between its end C. its dimensions, physical state and nature of its material D. all of the above
10	Electric generators which convert mechanical energy into	A. solar energy B. thermal energy C. kinetic energy D. electrical energy

Latest Educational News Stories

Pakistan's Largest Database of Colleges and Universities

BS Programs

University Past Papers

University Results

Exam Results 2024

Study Abroad Programs and Opportunities for Pakistani Students

ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics

Physics ECAT Pre Engineering Chapter 12 Electrostatics

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

The charge per unit time through any cross-section of a conductor is called

In a charged capacitor the energy is stored in

106electrons are moving through a wire per second, the current developed is

Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be

Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?

A point charge Q is placed at the mid-point of a line joining two charges. 4q and q. if the net force on charge q is zero. then Q must be equal to

Ohm is the unit of

If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy

Magnetic effect at a point caused due to flow a current depend upon the

If the two charges in Coulomb's law have double distance between them, then electric force

Battery is charged in motor cars, which is based on

If a 40 watt light bulb burns for 2 hours. how much heat is generated

The electric flux from a closed surface

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is

The SI unit of current is

The material in the form of wire or rod or plate which leads the current into or cut of the electrolyte is known as

If the length of the conductor is double and its cross sectional area is halved, its conductance will

The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of

A conducting wire is drawn to double its length. Final resistivity of the material will be

If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is

Taking the earth to be a spherical conductor of diameter 12.8 x 103km. Its capacity will be

The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is

Coulomb force, when any material medium is placed between two charges

One joule is equal to

Which of the following does not obey ohm's law?

If we plot graph between potential difference (V) and current (I) obeying ohm's law, it will give us

If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be

If we increase the distance between two plates of the capacitor, the capacitance will

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQs Online With Answers

Set 1

Set 2

Set 3

Set 4

Set 5

Set 6

Topic Test

Top Scorers Of Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQ`s Test

ECAT Physics Chapter 12 Important MCQ's

Test Questions

Share your comments & questions here

fun day

Hira arif

Alisha

baber

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10^-3N. The force between A and B when the charges on them are doubled and distance is halved

10⁶electrons are moving through a wire per second, the current developed is

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10^-19N, is

Taking the earth to be a spherical conductor of diameter 12.8 x 10³km. Its capacity will be

The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10^-15is