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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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 colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is	A. 21 x 10³+ 10% B. 23 x 10¹+ 10% C. 21 x 10³+ 5% D. 12 x 10³+ 5%
2	A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is	A. 8 J B. 16 J C. 4 x 10^-3J D. 2 x 10^-3J
3	If the length of the conductor is double and its cross sectional area is halved, its conductance will	A. Increase four fold B. Become one-fourth C. Become one-half D. Remains unchanged
4	Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is	A. 11.0 ohm B. 1.0 ohm C. 7.0 ohm D. 3.0 ohm
5	The charge per unit time through any cross-section of a conductor is called	A. capacitance B. electric power C. current D. potential difference
6	A 60 W bulb operates on 220 V supply. The current flowing through the bulb is	A. 11/3 A B. 3 A C. 3/11 A D. 6
7	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. 2 B. 1 C. 0.5 D. 1.5
8	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	A. -q B. +q C. -2q D. +4q
9	The electric field will be uniform	A. Near a positive point charge B. Near a negative point charge C. Between two oppositely charged parallel metal plates D. None of above
10	10⁶electrons are moving through a wire per second, the current developed is	A. 1.6 x 10^-19 B. 1 A C. 1.6 x 10^-15A D. 10⁶A

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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 capacitance of a parallel plate capacitor depends upon

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

In RC series circuit the time during which the capacitor acquires 0.63 times the equilibrium charge is called

The relation V = IR represents

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

Force acting upon a charged particle kept between the plates of a charged condenser if F. IF one of the plates of the condenser is removed, force acting on the same will become

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

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

Specific resistance of a wire depends upon

Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?

Electron volt is the unit of

The thermistors are usually made of

Thermocouple is an arrangement of two different metals

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

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

Ohm established a relation between

One coulomb of charge is created by

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

A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor

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

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

If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is

A conducting wire is drawn to double its length. Final resistivity of the material will be

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

The electric field intensity at a point due to a point charge

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

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

Resistance of a conductor is increased, the currant will

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ECAT Physics Chapter 12 Important MCQ's

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