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	What is the current is a 2 x 10⁶ohm resistor having a potential difference of 2 x 10³volts?	A. 10^-1A B. 10^-2A C. 10^-4A D. 1 mA
2	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
3	Coulomb's force between two point charges depends upon	A. Magnitude of charges B. Distance between them C. Medium in which they are located D. All of the above
4	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
5	A current of 1.6 A is passed through a solution of CuSO_{4. How many Cu}²⁺ions are liberated in one minute?	A. 3 x 10²⁰ B. 3 x 10¹⁰ C. 6 x 10²⁰ D. 6 x 10¹⁰
6	If the two charges in Coulomb's law have double distance between them, then electric force	A. Becomes two-fold B. Becomes four-fold C. Remains the same D. None of these
7	One coulomb per second is equal to	A. One volt B. One ampere C. One hom D. One henry
8	Magnetic effect at a point caused due to flow a current depend upon the	A. Quantity of current B. Distance from current C. Both the quantity of current and distance from current element D. None of the all
9	Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?	A. 3RΩ B. 2R/4Ω C. R/3Ω D. 2R/3Ω
10	The liquid which conduct current is known as	A. heating effect B. chemical energy C. electrolyte D. ohm's law

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

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

The SI unit of electric field intensity is

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

Consider a spherical shell of metal at he centre of which a positive point charge is kept

The ratio of the gravitational force Fgto the electrostatic force Febetween two electrons at the same distance apart is approximately

Some charge is being given to a conductor. Then its potential

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

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

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

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

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

Battery is charged in motor cars, which is based on

A wire of radius r has resistance R. If it is stretched to a wire of r/2 radius, then the resistance becomes

The liquid which conduct current is known as

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

In a charged capacitor the energy is stored in

A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?

One joule is equal to

Electron volt is the unit of

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

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

Force acting upon a charged particle kept between the plates of a charged condenser if F. IF one of the plates of the condenser is removed, force acting on the same will become

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

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

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

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

The resistance of the given conductor can be increased by

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ECAT Physics Chapter 12 Important MCQ's

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The ratio of the gravitational force F_gto the electrostatic force F_ebetween two electrons at the same distance apart is approximately

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