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
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
S

suzi 10 - Feb - 2026 08 Min 22 Sec 64/120

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be	A. 5μF B. 20μF C. 10μF D. 15μF
2	In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes	A. Four-fold B. One-half C. One-fourth D. Zero
3	A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts	A. 1310 W B. 670 W C. 810 W D. 1210 W
4	The SI unit of electric field intensity is	A. CN^-1 B. NC^-1or Vm^-1 C. JC^-1 D. AV^-1
5	The potential difference across the conductors should be maintained constant by connecting the ends of wire to the terminal of a device called a source of	A. power B. current C. resistance D. temperature
6	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. 25 B. 225 C. 625 D. 1250
7	A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?	A. 200 W B. 302.5 C. 250 W D. 350 W
8	The electric field will be uniform	A. Near a positive point charge B. Near a negative point charge C. Between two oppositely charged parallel metal plates D. None of above
9	A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is	A. 8 J B. 16 J C. 4 x 10^-3J D. 2 x 10^-3J
10	A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then	A. The charge in the plates reduces and potential difference increase B. Potential difference between the plates increase, stored energy decreases and charge remains the same C. Potential difference between the plates decreases and charge remains unchanged D. None of the above

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

In a building, there are 15 bulbs of 40 watts, 5 bulbs of 100 watts, 5 fans of 80 watts and a heater of 1 kilowatt. The voltage of the electric main is 220 volts. The minimum efficiency of the main fuse of the building will be

The ohm's is defined as

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

Solar cell converts sunlight directly into

An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be

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

If electric and gravitational force on an electron in a uniform electric field will be

The speed of randomly moving electrons depends upon

The resistance of a conductor does not depend on its

A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be

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

The liquid which conduct current is known as

Two point charge +3μC and +8μC repel each other with a force of 40 N. If a charge of -5μC is added to each of them, then the force between then will become

At ordinary temperature, an increase in temperature increases the conductivity of

In bringing an electron towards another electron, electrostatic potential energy of system

The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is

Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is

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

When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be

The unit of resistivity is

When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates

The electric flux from a closed surface

The SI unit of electric field intensity is

Resistor is a device which convert electric energy to

The powers of tow electric bulbs are 100 W and 200 W. Both of them are joined with 220 V mains. The ratio of resistances of their filaments will be

A condenser of capacity 50μF is charged to 10 V.The energy stored is

In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

The statement "the electric force of repulsion or attraction between two point charges is directly proportional to the product of the charges and inversely proportional to square of the distance between them" refer to

A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be

Electric potential of earth is taken to be zero because the earth is good

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

Is this page helpful?

Share your comments & questions here

fun day

Hira arif

Alisha

baber

An alpha particle is accelerated through a potential difference of 10⁶volt. Its kinetic energy will be

A car battery has e.m.f 12 volt and internal resistance 5 x 10^-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be

In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10^-19C. The number of excess electrons on the drop is