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	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
2	The charge carriers in electrolyte are positive and negative	A. protons B. electrons C. ions D. none of these
3	If 2.2 kilowatt power is transmitted through 1 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
4	Ohm is the unit of	A. current B. capacitance C. energy D. resistance
5	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	A. negative charges B. positive charges C. protons D. electrons
6	The concept of field theory was put forward by	A. Franklin B. Kepler C. Oersted D. Michael Faraday
7	The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is	A. Q=V/C B. Q=C/V C. Q=1/2CV D. Q=CV
8		A. 5μF B. 10μF C. 3μF D. 6μF
9	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	A. Two B. 1/2 C. Zero D. 3/2
10	The unit of intensity of electric field is	A. newton/coluomb B. jule/coluomb C. volt x metre D. newton/metre

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

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

The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is

If we plot graph between potential difference (V) and current (I) obeying ohm's law, it will give us

The liquid which conduct current is known as

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

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

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

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

The ohm's is defined as

One coulomb per second is equal to

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then

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

Electron volt is the unit of

Solar cell converts sunlight directly into

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

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

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

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

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

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

A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is

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

If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be

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

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

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

In a voltmeter the conduction takes place due to

Specific resistance of a wire depends upon

One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is

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ECAT Physics Chapter 12 Important MCQ's

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The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10^-15is