ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

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

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Anayat Ali 04 - Apr - 2024 01 Min 07 Sec 60/60
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Abdullah 07 - Mar - 2024 08 Min 13 Sec 60/60
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Alishba Farooq 08 - Mar - 2024 16 Min 42 Sec 55/60
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Abdullah Baloch 28 - Jul - 2024 00 Min 21 Sec 50/60
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iqra ashfaq 02 - Mar - 2024 00 Min 10 Sec 40/60
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Malik Mureed Awan 02 - Dec - 2024 01 Min 58 Sec 40/60
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mashal zainab 11 - Mar - 2024 05 Min 58 Sec 40/60
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Inamurehman rehmanbajwa 27 - May - 2024 10 Min 39 Sec 40/60
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sweet home 17 - Dec - 2024 15 Min 50 Sec 40/60
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hamid shoukat 25 - Nov - 2025 16 Min 32 Sec 36/60
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Lozina Jalil 29 - Aug - 2024 03 Min 13 Sec 35/60
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Salvaa Sheikh 20 - Sep - 2024 03 Min 21 Sec 35/60
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Sohaib Ali 13 - Oct - 2024 04 Min 38 Sec 35/60
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hareema gull 27 - May - 2024 06 Min 28 Sec 35/60
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Muhammad Abdur.Rahman Khan 01 - Sep - 2024 07 Min 03 Sec 35/60

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	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
2	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	A. 1 : 2 B. 2 : 1 C. 1 : 4 D. 4 : 1
3	The concept of field theory was put forward by	A. Franklin B. Kepler C. Oersted D. Michael Faraday
4	One joule is equal to	A. 1.6 x 10¹⁹eV B. 6.25 x 10¹⁸eV C. 1.6 x 18¹⁸eV D. 6.25 x 10¹⁹eV
5	The potential difference across each resistance in series combination is	A. same B. different C. zero D. none of these
6	The value of electrical constant of proportionality k is	A. 9 x 10⁹Nm²C^-2 B. 9 x 10^-9Nm²C^-2 C. 9 x 10¹⁰Nm²C² D. 9.85 x 10^-12N^-1C^-2
7	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. 5 volt B. 3 volt C. 15 volt D. 9 volt
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	10⁶electrons are moving through a wire per second, the current developed is	A. 1.6 x 10^-19 B. 1 A C. 1.6 x 10^-15A D. 10⁶A
10	Which one of the following has larger value of relative permitivity E_rat room temperature?	A. Vaccum B. Air C. Glass D. Water

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ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 12 Electrostatics

ECAT Physics Chapter 12 Electrostatics

The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is

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

The unit of conductance is

The graphical representation of ohm's law is

The speed of randomly moving electrons depends upon

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

Cause of heat production in a current carrying conductor is

The resistance of a conductor does not depend on its

A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy

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

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

Electric generators which convert mechanical energy into

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

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

In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

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

ECAT Physics Chapter 12 Important MCQ's

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In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10^-19C. The number of excess electrons on the drop is