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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Talha Khalil 18 - Jun - 2026 10 Min 55 Sec 80/120
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Abdullah Zubair 25 - Dec - 2024 14 Min 30 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	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
2	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
3	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	A. Coulomb's law B. Gauss's law C. Biot-Sarwat law D. Ampere's law
4	Specific resistance of a wire depends upon	A. Length B. Cross-section area C. Mass D. None
5	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)	A. 2 B. 1 C. 0.5 D. 1.5
6	A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is	A. C B. C/2 C. Zero D. 2C
7	The potential difference across each resistance in series combination is	A. same B. different C. zero D. none of these
8	When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates	A. Decreases B. Increases C. No change D. May increase or decresase
9	The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is	A. 4/5Ω B. 5/4Ω C. 20Ω D. 0.05 Ω
10	If the distance of separation between two chares is increased, the electrical potential energy of the system will	A. Increase B. Decrease C. May increase or decrease D. Remain the same

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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

Battery is charged in motor cars, which is based on

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

The unit of intensity of electric field is

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

Coulomb force, when any material medium is placed between two charges

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

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

The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is

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

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

The capacitance of a parallel plate capacitor depends upon

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

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

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

The electric flux from a closed surface

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

The charge carriers in electrolyte are positive and negative

A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J

Resistance of a conductor depends upon

A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?

The energy stored in a charge capacitor

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

The SI unit of current is

The fractional change in resistance per kelvin is known as

A hollow insulated conduction sphere is given a positive charge of 10μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?

An electric dipole is at the centre of a hollow sphere of radius r. The total normal electric flux through the sphere is (here Q is the charge and d is the distance between the two charges of the dipole)

The relation between charge 'Q' and current 'I' is given by

The graphical representation of ohm's law is

The electric field intensity at a point due to a point charge

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

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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

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