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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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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Ahmad Sufyan 05 - May - 2026 18 Min 20 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

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	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
2	The resistivity of a substance depends upon the	A. length B. mass C. area D. temperature
3	The electric flux is linked with a surface will be maximum when	A. The surface is held parallel to the electric field B. The surface is held perpendicular to the electric field C. The surface makes an angle of 45° with the electric field D. All of the above
4	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
5	The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10^-15is	A. 9 x 10⁵V B. 9 V C. 8 x 10⁶V D. 80 V
6	Cause of heat production in a current carrying conductor is	A. Collisions of free electrons with one another B. High drift speed of free electrons C. Collisions of free electrons with atoms or ions of conductor D. High resistance value
7	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. -10 N B. +10 N C. +20 N D. -20 N
8	When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to	A. One joule B. One erg C. One electron volt D. None of these
9	Current provided by a battery is maximum when	A. Internal resistance equal to external resistance B. Internal resistance is greater than external resistance C. Internal resistance is less then external resistance D. None of these
10	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	A. Two B. 1/2 C. Zero D. 3/2

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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

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

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

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

Electric generators which convert mechanical energy into

The resistance of an incandescent lamp is

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

Thermocouple is an arrangement of two different metals

The electric intensity at infinite distance from the point charge will be

The value of electrical constant of proportionality k is

The resistivity of a substance depends upon the

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 uniform resistance wire of Length L and diameter d has a resistance R. Another wire of same material has length, 4L and diameter 2d, the resistance will be

Electron volt is the unit of

The potential difference across each resistance in series combination is

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

Electron volt is the unit of.

Solar cell converts sunlight directly into

The earth's potential is taken as

Which one of the following has larger value of relative permitivity Erat room temperature?

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

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

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

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

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

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

The liquid which conduct current is known as

The SI unit of conductivity is

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

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

The fractional change in resistance per kelvin is known as

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

ECAT Physics Chapter 12 Important MCQ's

Test Questions

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

Which one of the following has larger value of relative permitivity E_rat room temperature?