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MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics
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Total Questions30
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Time Allowed30
Physics ECAT Pre Engineering Chapter 12 Electrostatics
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Question # 1
The relation V = IR represents
Question # 2
A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be
Question # 3
The unit of conductance is
Question # 4
The ohm's is defined as
Question # 5
The SI unit of capacitance is
Question # 6
If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is
Question # 7
The current through a metallic conductor is due to the motion of
Question # 8
The electric field intensity at a point due to a point charge
Question # 9
The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is
Question # 10
The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is
Question # 11
One joule is equal to
Question # 12
The dot product of electric field intensity E and vector area A is called
Question # 13
At any point on the right bisector of the line joining two equal and opposite charges
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
Battery is charged in motor cars, which is based on
Question # 16
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 # 17
If a 40 watt light bulb burns for 2 hours. how much heat is generated
Question # 18
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
Question # 19
The SI unit of current is
Question # 20
A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy
Question # 21
Coulomb's force between two point charges depends upon
Question # 22
Specific resistance of a wire depends upon
Question # 23
A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?
Question # 24
Electron volt is the unit of.
Question # 25
The capacity of a parallel plat capacitor depends on the
Question # 26
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 # 27
Electric potential of earth is taken to be zero because the earth is good
Question # 28
The resistance of an incandescent lamp is
Question # 29
The potential difference across each resistance in series combination is
Question # 30
Which one of the following causes production of heat when current is set up in a wire?
Top Scorers Of Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQ`s Test
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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 colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is |
A. 21 x 103+ 10%
B. 23 x 101+ 10%
C. 21 x 103+ 5%
D. 12 x 103+ 5%
|
| 2 | The charge carriers in gases are |
A. electrons
B. ions
C. protons
D. ions and electrons
|
| 3 | The concept of field theory was put forward by |
A. Franklin
B. Kepler
C. Oersted
D. Michael Faraday
|
| 4 | The unit of conductance is |
A. ohm
B. meter
C. mho
D. ohm-meter
|
| 5 | 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
|
| 6 | The graphical representation of ohm's law is |
A. hyperbola
B. straight line
C. ellipse
D. parabola
|
| 7 | 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
|
| 8 | A current of 1.6 A is passed through a solution of CuSO4. How many Cu2+ions are liberated in one minute? |
A. 3 x 1020
B. 3 x 1010
C. 6 x 1020
D. 6 x 1010
|
| 9 | A closed surface contains two equal and opposite charges. The net electric flux from the surface will be |
A. Negative
B. Positive
C. Infinite
D. Zero
|
| 10 | 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 |
A. q = Q/4
B. q = Q/2
C. q = !
D. None of these
|
Test Questions
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fun day
02 Mar 2023Some answers are wrong
Hira arif
18 Jun 2019This website is grwst👍
Alisha
27 Apr 2019This website is great
baber
15 Feb 2019hi