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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
A wire of radius r has resistance R. If it is stretched to a wire of r/2 radius, then the resistance becomes
Question # 2
Two conductors having the same type of charges are connected by a conducting wire. There would not be any amount of charges on them if
Question # 3
The charge per unit time through any cross-section of a conductor is called
Question # 4
The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is
Question # 5
A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy
Question # 6
The earth's potential is taken as
Question # 7
If we increase the distance between two plates of the capacitor, the capacitance will
Question # 8
Solar cell converts sunlight directly into
Question # 9
The charge carriers in electrolyte are positive and negative
Question # 10
Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
Question # 11
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 # 12
Capacitance of two or more capacitors
Question # 13
What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts?
Question # 14
The liquid which conduct current is known as
Question # 15
Coulomb's force between two point charges depends upon
Question # 16
The electric field due to an infinite long thin wire at a distance R varies as
Question # 17
The electric lines of force are
Question # 18
The dot product of electric field intensity E and vector area A is called
Question # 19
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 # 20
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 # 21
The concept of field theory was put forward by
Question # 22
A conducting wire is drawn to double its length. Final resistivity of the material will be
Question # 23
Coulomb force, when any material medium is placed between two charges
Question # 24
An electric charge at rest is
Question # 25
An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be
Question # 26
The capacitance of a parallel plate capacitor depends upon
Question # 27
Cause of heat production in a current carrying conductor is
Question # 28
The unit of conductance is
Question # 29
A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J
Question # 30
When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be
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 -
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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 SI unit of electric field intensity is |
A. CN-1
B. NC-1or Vm-1
C. JC-1
D. AV-1
|
| 2 | If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is |
A. one ohm
B. one joule
C. one volt
D. one ampere
|
| 3 | Ohm's law states that |
A. The current through a resistor is directly proportional to the applied voltage
B. The voltage across a resistor is directly proportional to the current passing through it
C. Resistance is the constant of proportionality between the voltage and current
D. all of these
|
| 4 | Which one of the following is the unit of electric field intensity |
A. JC-1
B. Vm-1
C. Cm-1
D. CJ-1
|
| 5 | An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be |
A. 1 MeV
B. 2 MeV
C. 4 MeV
D. 8 MeV
|
| 6 | 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
|
| 7 | 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
|
| 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 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
|
| 10 | The charge carriers in electrolyte are positive and negative |
A. protons
B. electrons
C. ions
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
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15 Feb 2019hi