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	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
2	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
3	In bringing an electron towards another electron, electrostatic potential energy of system	A. Decreases B. Increases C. Remains uncharged D. Becomes zero
4	Resistance of a conductor depends upon	A. the quantity of current passing through it B. the voltage applied between its end C. its dimensions, physical state and nature of its material D. all of the above
5	Electron volt is the unit of.	A. Potential difference B. Energy C. Resistance D. Capacitance
6	The energy stored in a charge capacitor	A. 1/2CV² B. 1/2C²V C. 1/2C/V² D. None of these
7	The potential difference across each resistance in series combination is	A. same B. different C. zero D. none of these
8	The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10^-19N, is	A. 25 B. 225 C. 625 D. 1250
9	The unit of resistivity is	A. ohm B. ohm-m² C. ohm-meter D. ohm-m^-1
10	A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy	A. 200 J B. 100 J C. 1000 J D. 400 J

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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

A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy

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

The concept of field theory was put forward by

The potential difference across each resistance in series combination is

Which one of the following has larger value of relative permitivity Erat room temperature?

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

One coulomb of charge is created by

The unit of resistivity is

The capacity of a parallel plat capacitor depends on the

A condenser of capacity 50μF is charged to 10 V.The energy stored is

The earth's potential is taken as

Capacitance of two or more capacitors

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

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

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

The unit of intensity of electric field 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

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

Ohm is the unit of

Coulomb's force between two point charges depends upon

The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

The SI unit of permitivity is

Cause of heat production in a current carrying conductor is

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)

The SI unit of capacitance is

The energy stored in a charge capacitor

The SI unit of electric field intensity is

If the distance of separation between two chares is increased, the electrical potential energy of the system will

Electron volt is the unit of

If we increase the distance between two plates of the capacitor, the capacitance will

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ECAT Physics Chapter 12 Important MCQ's

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Which one of the following has larger value of relative permitivity E_rat room temperature?