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 potential difference across each resistance in series combination is

Question # 2

If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?

Question # 3

The liquid which conduct current is known as

Question # 4

Solar cell converts sunlight directly into

Question # 5

The resistivity of a substance depends upon the

Question # 6

A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J

Question # 7

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

Question # 8

The thermistors are usually made of

Question # 9

The SI unit of permitivity is

Question # 10

One electron volt is equal to

Question # 11

Electric generators which convert mechanical energy into

Question # 12

Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be

Question # 13

In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is

Question # 14

Which of the following represents an electric current?

Question # 15

Resistance of a conductor depends upon

Question # 16

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

Question # 17

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

Question # 18

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

Question # 19

Electron volt is the unit of.

Question # 20

The energy stored in a charge capacitor

Question # 21

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

Question # 22

A current of 1.6 A is passed through a solution of CuSO4. How many Cu2+ions are liberated in one minute?

Question # 23

The speed of randomly moving electrons depends upon

Question # 24

A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?

Question # 25

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

Question # 26

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

Question # 27

In Pakistan electricity is supplied for domestic use at 220 V, it is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in Pakistan is R, the resistance of a 60 W bulb for use in USA will be

Question # 28

The capacitance of a parallel plate capacitor depends upon

Question # 29

The charge carriers in electrolyte are positive and negative

Question # 30

Ohm established a relation between

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 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
2 What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts?
A. 10-1A
B. 10-2A
C. 10-4A
D. 1 mA
3 Magnetic effect at a point caused due to flow a current depend upon the
A. Quantity of current
B. Distance from current
C. Both the quantity of current and distance from current element
D. None of the all
4 If electric and gravitational force on an electron in a uniform electric field will be
A. E=mg/q
B. E=q/mg
C. E=,g/q
D. E=qg/m
5
Question Image
A. 5μF
B. 10μF
C. 3μF
D. 6μF
6 Battery is charged in motor cars, which is based on
A. Chemical effect
B. Magnetic effect
C. Electric effect
D. None
7 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
A. Zero
B. 10Ω
C. 1Ω
D. 0.10Ω
8 The electric field due to an infinite long thin wire at a distance R varies as
A. 1/R
B. 1/R2
C. R
D. R2
9 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
10 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

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!