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

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 12 Electrostatics

00:00
Question # 1

The fractional change in resistance per kelvin is known as

Question # 2

The potential difference across each resistance in series combination is

Question # 3

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 # 4

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

Question # 5

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 # 6

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

Question # 7

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

Question # 8

The unit of conductance is

Question # 9

A wire of radius r has resistance R. If it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 10

Resistor is a device which convert electric energy to

Question # 11

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

Question # 12

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

Question # 13

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

Question # 14

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when

Question # 15

When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates

Question # 16

Surface density of charge is defined as

Question # 17

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

Question # 18

The concept of field theory was put forward by

Question # 19

The force of repulsion between two point charges is F, when these are at a distance 0.1 m apart. Now the point charges are replaced by sphere of radii 5 cm each having the same charge as that of the respective point charges. The distance between their centre is again kept 0.1 m ; then the force of repulsion will

Question # 20

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

Question # 21

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

Question # 22

Free electrons are

Question # 23

The electric flux from a closed surface

Question # 24

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

Question # 25

The energy stored in a charge capacitor

Question # 26

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then

Question # 27

The ohm's is defined as

Question # 28

The electric flux is linked with a surface will be maximum when

Question # 29

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

Question # 30

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

Submit

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


Topic Test

00:00
Submit

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
  • 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
  • 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
  • S
    suzi 10 - Feb - 2026 08 Min 22 Sec 64/120
  • Z
    Zaka Ullah 09 - Nov - 2024 07 Min 20 Sec 60/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 Coulomb force, when any material medium is placed between two charges
A. Increases
B. Decreases
C. Remain unchanged
D. None of these
2 The potential difference across each resistance in series combination is
A. same
B. different
C. zero
D. none of these
3 The speed of randomly moving electrons depends upon
A. pressure
B. volume
C. temperature
D. mass
4 Thermocouple is an arrangement of two different metals
A. To convert heat energy in to electrical energy
B. To produce more heat
C. To convert heat energy into chemical energy
D. To convert electric energy in to heat energy
5 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
A. 10μF
B. 20μF
C. 30μF
D. 15μF
6 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
7 A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?
A. 200 W
B. 302.5
C. 250 W
D. 350 W
8 106electrons are moving through a wire per second, the current developed is
A. 1.6 x 10-19
B. 1 A
C. 1.6 x 10-15 A
D. 106A
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
A. 1840 KeV
B. 1/1840 KeV
C. 1 KeV
D. 920 KeV
10 A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be
A. 64 W
B. 80 W
C. 100 W
D. 125 W

Test Questions

Is this page helpful?