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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Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
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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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Zaka Ullah 09 - Nov - 2024 07 Min 20 Sec 60/120
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Abdulrehman Haroon 26 - Sep - 2024 28 Min 20 Sec 60/120
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123 Abcd 07 - Nov - 2024 12 Min 46 Sec 55/120
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Abdul rafay Malghani 02 - Dec - 2024 14 Min 25 Sec 55/120
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Mehpara Khatoon 07 - Aug - 2024 24 Min 16 Sec 55/120

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes	A. Four-fold B. One-half C. One-fourth D. Zero
2	An alpha particle is accelerated through a potential difference of 10⁶volt. Its kinetic energy will be	A. 1 MeV B. 2 MeV C. 4 MeV D. 8 MeV
3	Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be	A. 0.52 A B. 1 mA C. 0.7 mA D. 1.4 A
4	In a charged capacitor the energy is stored in	A. Both in positive and negative charges B. Positive charges C. The edges of the capacitor plates D. The electric field between the plates
5	If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be	A. 6 ohm B. 4 ohm C. zero ohm D. 1.33 ohm
6	Equal charges are given to two spheres of different radii. The potential will	A. Be more on the smaller sphere B. Be more on the bigger sphere C. Be equal on both the sphere D. Depend on the nature of the material of the sphere
7	The resistivity of a substance depends upon the	A. length B. mass C. area D. temperature
8	A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?	A. 108 g B. 10.8 g C. 0.8 g D. 108/0.8 g
9	The thermistors are usually made of	A. Metals with low temperature coefficient of resistivity B. Metals with high temperature coefficient of resistivity C. Metal oxides with high temperature coefficient of resistivity D. Semi conducting materials having low temperature coefficient of resistivity
10	The potential difference across each resistance in series combination is	A. same B. different C. zero D. none of these

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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

Resistor is a device which convert electric energy to

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

A current of 1.6 A is passed through a solution of CuSO4. How many Cu2+ions are liberated in one minute?

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

If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be

The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is

What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts?

Battery is charged in motor cars, which is based on

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

A condenser of capacity 50μF is charged to 10 V.The energy stored is

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

One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is

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

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

A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance

The value of electrical constant of proportionality k is

One coulomb per second is equal to

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

If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be

The earth's potential is taken as

Surface density of charge is defined as

A closed surface contains two equal and opposite charges. The net electric flux from the surface will be

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

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

Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be

The SI unit of electric field intensity is

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

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

An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be

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

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ECAT Physics Chapter 12 Important MCQ's

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A current of 1.6 A is passed through a solution of CuSO_{4. How many Cu}²⁺ions are liberated in one minute?

The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10^-15is

What is the current is a 2 x 10⁶ohm resistor having a potential difference of 2 x 10³volts?

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

An alpha particle is accelerated through a potential difference of 10⁶volt. Its kinetic energy will be