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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Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
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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 bringing an electron towards another electron, electrostatic potential energy of system	A. Decreases B. Increases C. Remains uncharged D. Becomes zero
2	The relation V = IR represents	A. Ampere law B. Faraday's law C. Ohm's law D. Len's law
3	A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?	A. 200 W B. 302.5 C. 250 W D. 350 W
4	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
5	What is the current is a 2 x 10⁶ohm resistor having a potential difference of 2 x 10³volts?	A. 10^-1A B. 10^-2A C. 10^-4A D. 1 mA
6	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	A. Zero B. 10Ω C. 1Ω D. 0.10Ω
7	The electric intensity at infinite distance from the point charge will be	A. Infinite B. Positive C. Zero D. Negative
8	Consider a spherical shell of metal at he centre of which a positive point charge is kept	A. The electric filed is zero outside the shell B. The electric field is zero everywhere C. The electric field is zero in the region inside the shell D. The electric field is non-zero in both regions outside and inside the shell
9	The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10^-15is	A. 9 x 10⁵V B. 9 V C. 8 x 10⁶V D. 80 V
10	If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy	A. Ve B. V/e C. e/V D. 2Ve

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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

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

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

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

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

Ohm is the unit of

One joule is equal to

Ohm's law states that

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

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 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

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

Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends

One coulomb of charge is created by

The ohm's is defined as

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

In a voltmeter the conduction takes place due to

The SI unit of electric flux is

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 electric lines of force are

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

A wire of radius r has resistance R. If it is stretched to a wire of r/2 radius, then the resistance becomes

When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates

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

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

Thermocouple is an arrangement of two different metals

The minimum charge on any object can not be less than

Electron volt is the unit of

The relation V = IR represents

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

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

ECAT Physics Chapter 12 Important MCQ's

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

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