ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics

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

  • Total Questions30

  • Time Allowed30

Physics ECAT Pre Engineering Chapter 12 Electrostatics

00:00
Question # 1

The resistance of an incandescent lamp is

Question # 2

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 # 3

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

Question # 4

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 # 5

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

Question # 6

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

Question # 7

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

Question # 8

The ratio of the gravitational force Fgto the electrostatic force Febetween two electrons at the same distance apart is approximately

Question # 9

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

Question # 10

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

Question # 11

Which of the following represents an electric current?

Question # 12

A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance

Question # 13

The unit of conductance is

Question # 14

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

Question # 15

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

Question # 16

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

Question # 17

The fractional change in resistance per kelvin is known as

Question # 18

The powers of tow electric bulbs are 100 W and 200 W. Both of them are joined with 220 V mains. The ratio of resistances of their filaments will be

Question # 19

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

Question # 20

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

Question # 21

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

Question # 22

Physicist George Simon ohm was a

Question # 23

The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is

Question # 24

When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to

Question # 25

A 10 F capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt.The capacitance of second capacitor is

Question # 26

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 # 27

Surface density of charge is defined as

Question # 28

One coulomb per second is equal to

Question # 29

Heating effect caused by an electric circuit is written

Question # 30

A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is

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


Topic Test

00:00

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

  • M
    Mehreen Ather 02 - Dec - 2024 30 Min 19 Sec 90/120
  • S
    Salvaa Sheikh 13 - Sep - 2024 24 Min 16 Sec 85/120
  • S
    Sualeh Murtaza 15 - Nov - 2024 05 Min 29 Sec 80/120
  • N
    Nitalaya Hassan 23 - Dec - 2024 06 Min 15 Sec 80/120
  • T
    Talha Khalil 18 - Jun - 2026 10 Min 55 Sec 80/120
  • F
    Fatima Anis 26 - Dec - 2024 13 Min 35 Sec 80/120
  • A
    Abdullah Zubair 25 - Dec - 2024 14 Min 30 Sec 80/120
  • C
    Ch Ubaid Ullah 06 - Mar - 2026 17 Min 40 Sec 80/120
  • A
    Ahmad Sufyan 05 - May - 2026 18 Min 20 Sec 80/120
  • H
    Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
  • F
    Furqan Asif 26 - Mar - 2026 36 Min 02 Sec 72/120
  • U
    usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
  • T
    Taha 18 - Mar - 2026 17 Min 17 Sec 68/120
  • H
    hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
  • H
    Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 The resistance of a conductor does not depend on its
A. mass
B. resistivity
C. length
D. cross-sectional area
2 Free electrons are
A. tightly bound
B. fixed
C. loosely bound
D. tightly fixed
3 The earth's potential is taken as
A. Negative
B. Positive
C. Zero
D. Infinite
4 If the length of the conductor is double and its cross sectional area is halved, its conductance will
A. Increase four fold
B. Become one-fourth
C. Become one-half
D. Remains unchanged
5 The dot product of electric field intensity E and vector area A is called
A. Electric potential
B. Electric flux
C. Electric field
D. Magnetic field
6 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
7 A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is
A. C
B. C/2
C. Zero
D. 2C
8 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
9 A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is
A. 8 J
B. 16 J
C. 4 x 10-3J
D. 2 x 10-3J
10 The SI unit of conductivity is
A. ohm-m
B. ohm-1m-1
C. ohm-m-1
D. ohm-1m

Test Questions