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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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

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	Some charge is being given to a conductor. Then its potential	A. Is maximum at surface B. Is maximum at centre C. Is remain same throughout the conductor D. Is maximum somewhere between surface and centre
2	Two conductors having the same type of charges are connected by a conducting wire. There would not be any amount of charges on them if	A. They have the same potential B. They have the same amount of charge C. They have the same capacity D. They have the same shape
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	The charge per unit time through any cross-section of a conductor is called	A. capacitance B. electric power C. current D. potential difference
5	Potentiometer is more sensitive than voltmeter, because	A. Voltmeter has a very high resistance B. Voltmeter has a very low resistance C. Potentiometer does not draw any current from a source of unknown potential difference D. Potentiometer is sensitive
6	Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends	A. 120 C B. 240 C C. 20 C D. 4 C
7	A piece of fuse wire melts when a current of 15 ampere flows through it. With this current. If it dissipates 22.5 W, the resistance of fuse wire will be	A. Zero B. 10Ω C. 1Ω D. 0.10Ω
8	Equal charges are given to two spheres of different radii. The potential will	A. Be more on the smaller sphere B. Be more on the bigger sphere C. Be equal on both the sphere D. Depend on the nature of the material of the sphere
9	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	A. 1840 KeV B. 1/1840 KeV C. 1 KeV D. 920 KeV
10	The electric intensity at infinite distance from the point charge will be	A. Infinite B. Positive C. Zero D. Negative

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

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

One electron volt is equal to

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

Capacitance of two or more capacitors

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then

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

The minimum charge on any object can not be less than

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

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

Free electrons are

The capacitance of a parallel plate capacitor depends upon

The electric flux from a closed surface

In Pakistan electricity is supplied for domestic use at 220 V, it is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in Pakistan is R, the resistance of a 60 W bulb for use in USA will be

One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is

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

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

Ohm is the unit of

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

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

The resistance of a conductor does not depend on its

A 60 W bulb operates on 220 V supply. The current flowing through the bulb is

Coulomb's force between two point charges depends upon

The resistance of the given conductor can be increased by

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

A closed surface contains two equal and opposite charges. The net electric flux from the surface will be

Two conductors having the same type of charges are connected by a conducting wire. There would not be any amount of charges on them if

A 50 volt battery is connected across 10 ohm resistor. The current is 4.5 A. The internal resistance of the battery is

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

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

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ECAT Physics Chapter 12 Important MCQ's

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