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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Furqan Asif 26 - Mar - 2026 36 Min 02 Sec 72/120
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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

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	The unit of resistance is	A. volt B. ampere C. ohm D. coat
2	If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be	A. 0.1 watt B. 1 watt C. 10 watt D. 100 watt
3	The concept of field theory was put forward by	A. Franklin B. Kepler C. Oersted D. Michael Faraday
4	The unit of intensity of electric field is	A. newton/coluomb B. jule/coluomb C. volt x metre D. newton/metre
5	One electron volt is equal to	A. 1.6 x 1019eV B. 6.25 x 1018 eV C. 1.6 x 1018 eV D. 6.25 x 1019eV
6	A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then	A. The charge in the plates reduces and potential difference increase B. Potential difference between the plates increase, stored energy decreases and charge remains the same C. Potential difference between the plates decreases and charge remains unchanged D. None of the above
7	The nature of capacity of electrostatic capacitor depends on	A. Shape B. Size C. Thickness of plates D. Area
8	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
9	The material in the form of wire or rod or plate which leads the current into or cut of the electrolyte is known as	A. voltmeters B. resistance C. electrode D. current
10	The SI unit of conductivity is	A. ohm-m B. ohm^-1m^-1 C. ohm-m^-1 D. ohm^-1m

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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

The SI unit of electric flux is

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

Ohm is the unit of

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

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

In bringing an electron towards another electron, electrostatic potential energy of system

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

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

The resistivity of a substance depends upon the

Two point charge +3μC and +8μC repel each other with a force of 40 N. If a charge of -5μC is added to each of them, then the force between then will become

Which one of the following has larger value of relative permitivity Erat room temperature?

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

Electron volt is the unit of

The capacitance of a parallel plate capacitor depends upon

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

The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is

Battery is charged in motor cars, which is based on

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

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

Current provided by a battery is maximum when

One joule is equal to

One coulomb per second is equal to

Heating effect caused by an electric circuit is written

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

The unit of conductance is

Potentiometer is more sensitive than voltmeter, because

If a 40 watt light bulb burns for 2 hours. how much heat is generated

Ohm established a relation between

When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to

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

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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

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

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

Which one of the following has larger value of relative permitivity E_rat room temperature?

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