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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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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Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
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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
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suzi 10 - Feb - 2026 08 Min 22 Sec 64/120
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Zaka Ullah 09 - Nov - 2024 07 Min 20 Sec 60/120

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be	A. V/e B. eV C. e/V D. V
2	A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy	A. 200 J B. 100 J C. 1000 J D. 400 J
3	Taking the earth to be a spherical conductor of diameter 12.8 x 10³km. Its capacity will be	A. 711μF B. 611μF C. 811μF D. 511μF
4	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
5	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
6	Which one of the following has larger value of relative permitivity E_rat room temperature?	A. Vaccum B. Air C. Glass D. Water
7	In a building, there are 15 bulbs of 40 watts, 5 bulbs of 100 watts, 5 fans of 80 watts and a heater of 1 kilowatt. The voltage of the electric main is 220 volts. The minimum efficiency of the main fuse of the building will be	A. 0.4 A B. 11.4 A C. 9.8 A D. 10.6 A
8	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
9	The SI unit of conductivity is	A. ohm-m B. ohm^-1m^-1 C. ohm-m^-1 D. ohm^-1m
10	The SI unit of electric flux is	A. Weber B. Nm²C^-1 C. NmC^-1 D. Nm^-2C

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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

Which one of the following is the unit of electric field intensity

The thermistors are usually made of

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

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

The electric flux is linked with a surface will be maximum when

The resistance of a conductor does not depend on its

A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is

In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes

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

A piece of fuse wire melts when a current of 15 ampere flows through it. With this current. If it dissipates 22.5 W, the resistance of fuse wire will be

The energy stored in a charge capacitor

A point charge Q is placed at the mid-point of a line joining two charges. 4q and q. if the net force on charge q is zero. then Q must be equal to

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

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

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

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

The capacity of a parallel plat capacitor depends on the

The charge carriers in gases are

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

When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be

Electric generators which convert mechanical energy into

Resistance of a conductor depends upon

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

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

A 10 F capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt.The capacitance of second capacitor is

Capacitance of two or more capacitors

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

The resistivity of a substance depends upon the

The substances whose resistance decreases with the increase in temperature these substances have coefficient of

At any point on the right bisector of the line joining two equal and opposite charges

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ECAT Physics Chapter 12 Important MCQ's

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