ECAT Pre General Science Physics Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Pre General Science Physics Chapter 12 Electrostatics

Try The MCQ's Test For ECAT Pre General Science Physics Chapter 12 Electrostatics

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Pre General Science Physics Chapter 12 Electrostatics

00:00
Question # 1

The unit of intensity of electric field is

Question # 2

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

Question # 3

A 50 volt battery is connected across 10 ohm resistor. The current is 4.5 A. The internal resistance of the battery is

Question # 4

106electrons are moving through a wire per second, the current developed is

Question # 5

In a voltmeter the conduction takes place due to

Question # 6

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

Question # 7

Electric potential of earth is taken to be zero because the earth is good

Question # 8

The electric field will be uniform

Question # 9

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

Question # 10

Which of the following does not obey ohm's law?

Question # 11

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

Question # 12

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

Question # 13

The electric field due to an infinite long thin wire at a distance R varies as

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be

Question # 18

Taking the earth to be a spherical conductor of diameter 12.8 x 103km. Its capacity will be

Question # 19

The earth's potential is taken as

Question # 20

Resistance of a conductor is increased, the currant will

Question # 21

The SI unit of current is

Question # 22

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

Question # 23

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

Question # 24

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

Question # 25

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

Question # 26

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

Question # 27

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

Question # 28

Surface density of charge is defined as

Question # 29

The relation between charge 'Q' and current 'I' is given by

Question # 30

Electric generators which convert mechanical energy into

Submit

Prepare Complete Set Wise ECAT Pre General Science Physics Chapter 12 Electrostatics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Pre General Science Physics Chapter 12 Electrostatics MCQ`s Test

  • V
    Viral Edits 27 - May - 2024 13 Min 50 Sec 65/120
  • T
    Tamseela Ehsan 04 - Sep - 2023 13 Min 56 Sec 50/120
  • K
    Khurram 29 - Jan - 2019 16 Min 26 Sec 50/120
  • W
    Waleed Ahmed 25 - Feb - 2023 22 Min 39 Sec 45/120
  • I
    Inzmam Rajper 16 - Jun - 2022 10 Min 50 Sec 40/120
  • S
    Saba 18 - Feb - 2019 15 Min 57 Sec 30/120
  • A
    Arsalan Ahmad 16 - Jul - 2024 11 Min 36 Sec 20/120
  • A
    Ali 31 - May - 2023 07 Min 17 Sec 10/120
  • A
    Abc 14 - Aug - 2021 00 Min 29 Sec 0/120
  • A
    Aulakh Brand 06 - Feb - 2022 03 Min 17 Sec 0/120
  • A
    Abdul Jabbar 17 - Apr - 2018 03 Min 18 Sec 0/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 The nature of capacity of electrostatic capacitor depends on
A. Shape
B. Size
C. Thickness of plates
D. Area
2 Which one of the following is the unit of electric field intensity
A. JC-1
B. Vm-1
C. Cm-1
D. CJ-1
3 The relation V = IR represents
A. Ampere law
B. Faraday's law
C. Ohm's law
D. Len's law
4 A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is
A. Charge Q
B. Potential V
C. Capacity
D. Energy U
5 A wire of radius r has resistance R. If it is stretched to a wire of r/2 radius, then the resistance becomes
A. 2R
B. 4R
C. 16R
D. Zero
6 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
7 The current through a metallic conductor is due to the motion of
A. protons
B. neutrons
C. electrons
D. free electrons
8 The SI unit of capacitance is
A. Farad
B. Henry
C. Ohm
D. Volt
9 The electric flux from a closed surface
A. Is independent of the shape of the surface
B. Depends on the charge enclosed by the surface
C. Both a and b
D. None of the above
10 If we increase the distance between two plates of the capacitor, the capacitance will
A. Increase
B. Decrease
C. Remain same
D. First increase then decrease

Test Questions

Is this page helpful?