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

ECAT Pre General Science Physics Chapter 12 Electrostatics

00:00
Question # 1

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

Question # 2

The capacity of a parallel plat capacitor depends on the

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Electric generators which convert mechanical energy into

Question # 7

The SI unit of current is

Question # 8

Resistance of a conductor is increased, the currant will

Question # 9

Ohm's law states that

Question # 10

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

Question # 11

What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts?

Question # 12

The material in the form of wire or rod or plate which leads the current into or cut of the electrolyte is known as

Question # 13

The SI unit of electric field intensity is

Question # 14

Resistor is a device which convert electric energy to

Question # 15

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

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Heating effect caused by an electric circuit is written

Question # 20

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

Question # 21

The potential difference across the conductors should be maintained constant by connecting the ends of wire to the terminal of a device called a source of

Question # 22

The SI unit of electric flux is

Question # 23

Equal charges are given to two spheres of different radii. The potential will

Question # 24

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

Question # 25

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

Question # 26

The charge per unit time through any cross-section of a conductor is called

Question # 27

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

Question # 28

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

Question # 29

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 # 30

The unit of intensity of electric field is

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


Topic Test

00:00

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 In a building, there are 15 bulbs of 40 watts, 5 bulbs of 100 watts, 5 fans of 80 watts and a heater of 1 kilowatt. The voltage of the electric main is 220 volts. The minimum efficiency of the main fuse of the building will be
A. 0.4 A
B. 11.4 A
C. 9.8 A
D. 10.6 A
2
Question Image
A. 5μF
B. 10μF
C. 3μF
D. 6μF
3 Ohm is the unit of
A. current
B. capacitance
C. energy
D. resistance
4 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
5 If a 40 watt light bulb burns for 2 hours. how much heat is generated
A. 288 x 103J
B. 288 x 108J
C. 288 x 105J
D. 288 x 106J
6 The resistance of the given conductor can be increased by
A. Increasing the area
B. Changing resistivity
C. Decreasing the length
D. None of the above because change does not matter because in any case the volume remains the same
7 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
8 The electrode connected with the positive terminal of the current source is called
A. cathode
B. anode
C. electrolyte
D. position
9 Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
A. R1= 2R2
B. R2= 2R1
C. R2 = 4R1
D. R1= 4R2
10 At any point on the right bisector of the line joining two equal and opposite charges
A. At electric field is zero
B. The electric potential is zero
C. The electric potential decreases with increasing distance from the centre
D. The electric field is perpendicular to the line joining the charges

Test Questions

Is this page helpful?

Share your comments & questions here

Guest
  • No comments yet. Be the first to comment!