ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

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ECAT Physics Chapter 12 Important MCQ's

Sr.#	Question	Answer
1	One coulomb per second is equal to	A. One volt B. One ampere C. One hom D. One henry
2	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	A. Coulomb's law B. Gauss's law C. Biot-Sarwat law D. Ampere's law
3	An alpha particle is accelerated through a potential difference of 10⁶volt. Its kinetic energy will be	A. 1 MeV B. 2 MeV C. 4 MeV D. 8 MeV
4	A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?	A. 108 g B. 10.8 g C. 0.8 g D. 108/0.8 g
5	The unit of resistance is	A. volt B. ampere C. ohm D. coat
6	A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 KV, its kinetic energy will be	A. 1840 KeV B. 1/1840 KeV C. 1 KeV D. 920 KeV
7	A 50 volt battery is connected across 10 ohm resistor. The current is 4.5 A. The internal resistance of the battery is	A. Zero B. 0.5Ω C. 1.1Ω D. 5.0Ω
8	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
9	The concept of field theory was put forward by	A. Franklin B. Kepler C. Oersted D. Michael Faraday
10	Resistor is a device which convert electric energy to	A. Heat energy B. Chemical energy C. Elastic energy D. All of the above

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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 resistance of an incandescent lamp is

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

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

The liquid which conduct current is known as

The thermistors are usually made of

Which one of the following is the unit of electric field intensity

If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy

A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be

A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?

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

If the two charges in Coulomb's law have double distance between them, then electric force

The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is

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

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

The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of

The unit of resistance is

The SI unit of electric flux is

The electric field will be uniform

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

The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is

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 ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts

A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be

The capacity of a parallel plat capacitor depends on the

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

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

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

Electron volt is the unit of.

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

The electric lines of force are

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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