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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Nitalaya Hassan 23 - Dec - 2024 06 Min 15 Sec 80/120
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Talha Khalil 18 - Jun - 2026 10 Min 55 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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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	In bringing an electron towards another electron, electrostatic potential energy of system	A. Decreases B. Increases C. Remains uncharged D. Becomes zero
2	The electric flux from a closed surface	A. Is independent of the shape of the surface B. Depends on the charge enclosed by the surface C. Both a and b D. None of the above
3	Physicist George Simon ohm was a	A. German physical B. French physicist C. Chinese physicist D. Russian physicist
4	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
5	The capacity of a parallel plat capacitor depends on the	A. Type to metal used B. Thickness of plates C. Potential applied across the plates D. Separation between the plates
6	Surface density of charge is defined as	A. Charge per unit volume B. Charge per unit length C. Charge per unit area D. Charge per unit mass
7	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
8	The relation between charge 'Q' and current 'I' is given by	A. Q = I/t B. Q = It C. Q = I²t D. Q = I²/t
9	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
10	The SI unit of capacitance is	A. Farad B. Henry C. Ohm D. Volt

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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

Electron volt is the unit of.

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

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 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

The earth's potential is taken as

The fractional change in resistance per kelvin is known as

For two resistance wires joined in parallel, the resultant resistance is 6/5 ohm. When one of the resistance wire breaks, the effective resistance becomes 2 ohm. The resistance of the broken wire is

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

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

The charge carriers in gases are

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

A wire is bent into a ring of radius R is given a charge q. The magnitude of the electrical field at the centre of the ring is

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 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

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

The graphical representation of ohm's law is

The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is

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)

In a voltmeter the conduction takes place due to

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

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

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

A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts

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

An electric charge at rest is

An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be

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

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

If 2.2 kilowatt power is transmitted through 1 10 ohm line at 22000 volt, the power loss in the form of heat will be

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

ECAT Physics Chapter 12 Important MCQ's

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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

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