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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usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
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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

ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	At any point on the right bisector of the line joining two equal and opposite charges	A. At electric field is zero B. The electric potential is zero C. The electric potential decreases with increasing distance from the centre D. The electric field is perpendicular to the line joining the charges
2	Electric flux is defined by the relation	A. E.A. B. E x A C. E/A D. none of these
3	Capacitance of two or more capacitors	A. Increases in series combination B. Increases in parallel combination C. Remains unchanged D. None of the above
4	The SI unit of capacitance is	A. Farad B. Henry C. Ohm D. Volt
5	When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to	A. One joule B. One erg C. One electron volt D. None of these
6	The force of repulsion between two point charges is F, when these are at a distance 0.1 m apart. Now the point charges are replaced by sphere of radii 5 cm each having the same charge as that of the respective point charges. The distance between their centre is again kept 0.1 m ; then the force of repulsion will	A. Increase B. Decrease C. Remain F D. Become 10F/9
7	A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J	A. 5 B. 0.5 C. 0.005 D. 50
8	In a voltmeter the conduction takes place due to	A. Electrons only B. Holes only C. Electrons and holes D. Electrons and ions
9	Some charge is being given to a conductor. Then its potential	A. Is maximum at surface B. Is maximum at centre C. Is remain same throughout the conductor D. Is maximum somewhere between surface and centre
10	Ohm is the unit of	A. current B. capacitance C. energy D. resistance

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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

Heating effect caused by an electric circuit is written

One coulomb of charge is created by

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

The electric intensity at infinite distance from the point charge will be

The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is

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

The resistivity of a substance depends upon the

Resistance of a conductor is increased, the currant will

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

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

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

One joule is equal to

The SI unit of permitivity is

The SI unit of current is

Resistance of a conductor depends upon

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

Potentiometer is more sensitive than voltmeter, because

A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is

The SI unit of electric flux is

Battery is charged in motor cars, which is based on

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 electric field will be uniform

The fractional change in resistance per kelvin is known as

At ordinary temperature, an increase in temperature increases the conductivity of

If electric and gravitational force on an electron in a uniform electric field will be

The resistance of the given conductor can be increased by

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

The thermistors are usually made of

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

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

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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