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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Unknown 22 - Mar - 2026 128 Min 54 Sec 52/60
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Abdullah Baloch 28 - Jul - 2024 00 Min 21 Sec 50/60
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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	The electric lines of force are	A. Imaginary B. Physically existing everywhere C. Physically existing near the charge D. All of the above
2	The charge per unit time through any cross-section of a conductor is called	A. capacitance B. electric power C. current D. potential difference
3	Resistance of a conductor depends upon	A. the quantity of current passing through it B. the voltage applied between its end C. its dimensions, physical state and nature of its material D. all of the above
4	If a 40 watt light bulb burns for 2 hours. how much heat is generated	A. 288 x 10³J B. 288 x 10⁸J C. 288 x 10⁵J D. 288 x 10⁶J
5	Coulomb force, when any material medium is placed between two charges	A. Increases B. Decreases C. Remain unchanged D. None of these
6	In RC series circuit the time during which the capacitor acquires 0.63 times the equilibrium charge is called	A. Time constant B. Decay constant C. None of these D. All of above
7	The fractional change in resistance per kelvin is known as	A. temperature coefficient B. resistance coefficient C. super temperature D. critical temperature
8	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. 3/5 ohm B. 2 ohm C. 6/5 ohm D. 3 ohm
9	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
10	Heating effect caused by an electric circuit is written	A. H = I²Rt B. H = I²R C. H = IR²t D. H = IR²

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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

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

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

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

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

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

Electric potential of earth is taken to be zero because the earth is good

The electrode connected with the positive terminal of the current source is called

The resistance of a conductor does not depend on its

Capacitance of two or more capacitors

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

The earth's potential is taken as

Which one of the following causes production of heat when current is set up in a wire?

One coulomb per second is equal to

A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?

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