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

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 # 2

Ohm is the unit of

Question # 3

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

Question # 4

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 # 5

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

Question # 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

Question # 7

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

Question # 8

Some charge is being given to a conductor. Then its potential

Question # 9

A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?

Question # 10

Capacitance of two or more capacitors

Question # 11

If electric and gravitational force on an electron in a uniform electric field will be

Question # 12

The earth's potential is taken as

Question # 13

Resistance of a conductor is increased, the currant will

Question # 14

Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?

Question # 15

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

Question # 16

A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts

Question # 17

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

Question # 18

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

Question # 19

A hollow insulated conduction sphere is given a positive charge of 10μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?

Question # 20

Coulomb force, when any material medium is placed between two charges

Question # 21

Which of the following represents an electric current?

Question # 22

The minimum charge on any object can not be less than

Question # 23

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

Question # 24

The charge carriers in gases are

Question # 25

If we plot graph between potential difference (V) and current (I) obeying ohm's law, it will give us

Question # 26

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

Question # 27

At ordinary temperature, an increase in temperature increases the conductivity of

Question # 28

The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is

Question # 29

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

Question # 30

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

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
  • H
    Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
  • U
    usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
  • 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
  • A
    Abdulrehman Haroon 26 - Sep - 2024 28 Min 20 Sec 60/120
  • 1
    123 Abcd 07 - Nov - 2024 12 Min 46 Sec 55/120
  • A
    Abdul rafay Malghani 02 - Dec - 2024 14 Min 25 Sec 55/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is
A. 9 x 105V
B. 9 V
C. 8 x 106V
D. 80 V
2 In a charged capacitor the energy is stored in
A. Both in positive and negative charges
B. Positive charges
C. The edges of the capacitor plates
D. The electric field between the plates
3 One electron volt is equal to
A. 1.6 x 1019eV
B. 6.25 x 1018 eV
C. 1.6 x 1018 eV
D. 6.25 x 1019eV
4 A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts
A. 1310 W
B. 670 W
C. 810 W
D. 1210 W
5 If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be
A. 6 ohm
B. 4 ohm
C. zero ohm
D. 1.33 ohm
6 A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
A. Increases
B. Decreases
C. Remain unchanged
D. Becomes infinite
7 The ohm's is defined as
A. 1 ampere / 1 volts
B. 1 coulomb / 1 volt
C. 1 volt / 1 ampere
D. 1 volt / 1 coulomb
8 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
9 Equal charges are given to two spheres of different radii. The potential will
A. Be more on the smaller sphere
B. Be more on the bigger sphere
C. Be equal on both the sphere
D. Depend on the nature of the material of the sphere
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?