ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

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

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Mehreen Ather 02 - Dec - 2024 30 Min 19 Sec 90/120
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Salvaa Sheikh 13 - Sep - 2024 24 Min 16 Sec 85/120
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Sualeh Murtaza 15 - Nov - 2024 05 Min 29 Sec 80/120
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Fatima Anis 26 - Dec - 2024 13 Min 35 Sec 80/120
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Abdullah Zubair 25 - Dec - 2024 14 Min 30 Sec 80/120
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Ch Ubaid Ullah 06 - Mar - 2026 17 Min 40 Sec 80/120
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Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
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Furqan Asif 26 - Mar - 2026 36 Min 02 Sec 72/120
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usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
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Taha 18 - Mar - 2026 17 Min 17 Sec 68/120
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hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
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Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120
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suzi 10 - Feb - 2026 08 Min 22 Sec 64/120

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	The unit of resistance is	A. volt B. ampere C. ohm D. coat
2	A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor	A. Increases B. Decreases C. Remain unchanged D. Becomes infinite
3	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
4	A conducting wire is drawn to double its length. Final resistivity of the material will be	A. Double of the original one B. Half of the original one C. One fourth of the original one D. Same as original one
5	Ohm is the unit of	A. current B. capacitance C. energy D. resistance
6	The charge per unit time through any cross-section of a conductor is called	A. capacitance B. electric power C. current D. potential difference
7	A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be	A. 64 W B. 80 W C. 100 W D. 125 W
8	One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is	A. 0.1 V B. 8 V C. 2 V D. 0.5 V
9	Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be	A. 0.52 A B. 1 mA C. 0.7 mA D. 1.4 A
10	A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is	A. Charge Q B. Potential V C. Capacity D. Energy U

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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

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

If the distance of separation between two chares is increased, the electrical potential energy of the system will

The electric intensity outside the two oppositely charged parallel metal plates is

The capacitance of a parallel plate capacitor depends upon

In a charged capacitor the energy is stored in

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

The capacity of a parallel plat capacitor depends on the

One coulomb of charge is created by

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

A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is

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

When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to

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

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

The electric lines of force are

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

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

If a charged spherical conductor of radius 10 cm has potential V at a point distance 5 cm from its centre, then the potential at a point distance 15 cm from the centre will be

The dot product of electric field intensity E and vector area A is called

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

Equal charges are given to two spheres of different radii. The potential will

Electric flux is defined by the relation

The SI unit of electric flux is

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

Resistance of a conductor depends upon

Specific resistance of a wire depends upon

In RC series circuit the time during which the capacitor acquires 0.63 times the equilibrium charge is called

Which one of the following is the unit of electric field intensity

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

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 KV, its kinetic energy will be

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ECAT Physics Chapter 12 Important MCQ's

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