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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usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
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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 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
2	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. 5 volt B. 3 volt C. 15 volt D. 9 volt
3	The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is	A. 10Ω B. 20Ω C. 30Ω D. 40Ω
4	Battery is charged in motor cars, which is based on	A. Chemical effect B. Magnetic effect C. Electric effect D. None
5	A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance	A. Increase k time B. Decreases k times C. Decreases 1/K times D. Remains unchanged
6	A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor	A. Increases B. Decreases C. Remain unchanged D. Becomes infinite
7	Resistor is a device which convert electric energy to	A. Heat energy B. Chemical energy C. Elastic energy D. All of the above
8	The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is	A. 10 KJ B. 5 KJ C. 2 KJ D. 1 KJ
9	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
10	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	A. They have the same potential B. They have the same amount of charge C. They have the same capacity D. They have the same shape

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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

Solar cell converts sunlight directly into

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

The unit of intensity of electric field is

Coulomb force, when any material medium is placed between two charges

Some charge is being given to a conductor. Then its potential

The unit of resistance is

The resistance of the given conductor can be increased by

Coulomb's force between two point charges depends upon

Current provided by a battery is maximum when

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

A 60 W bulb operates on 220 V supply. The current flowing through the bulb is

Resistance of a conductor depends upon

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

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

The powers of tow electric bulbs are 100 W and 200 W. Both of them are joined with 220 V mains. The ratio of resistances of their filaments will be

Physicist George Simon ohm was a

Which of the following does not obey ohm's law?

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

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

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

Electron volt is the unit of

A uniform resistance wire of Length L and diameter d has a resistance R. Another wire of same material has length, 4L and diameter 2d, the resistance will be

If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?

The relation V = IR represents

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

Surface density of charge is defined as

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

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

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

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

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQs Online With Answers

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

ECAT Physics Chapter 12 Important MCQ's

Test Questions

Two electric bulbs of 200 W and 100 W have same voltage. If R₁and R₂be their resistance respectively then