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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
00:00
Question # 1
The SI unit of conductivity is
Question # 2
The capacity of a parallel plat capacitor depends on the
Question # 3
A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be
Question # 4
The charge per unit time through any cross-section of a conductor is called
Question # 5
When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates
Question # 6
A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
Question # 7
Equal charges are given to two spheres of different radii. The potential will
Question # 8
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 # 9
The resistance of an incandescent lamp is
Question # 10
If electric and gravitational force on an electron in a uniform electric field will be
Question # 11
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 # 12
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 # 13
A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?
Question # 14
In bringing an electron towards another electron, electrostatic potential energy of system
Question # 15
The SI unit of permitivity is
Question # 16
The potential difference across each resistance in series combination is
Question # 17
The unit of resistivity is
Question # 18
The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is
Question # 19
Specific resistance of a wire depends upon
Question # 20
Electron volt is the unit of
Question # 21
The energy stored in a charge capacitor
Question # 22
Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved
Question # 23
The concept of field theory was put forward by
Question # 24
In a voltmeter the conduction takes place due to
Question # 25
Resistance of a conductor is increased, the currant will
Question # 26
Electric generators which convert mechanical energy into
Question # 27
Free electrons are
Question # 28
The unit of conductance is
Question # 29
An electric charge at rest is
Question # 30
Current provided by a battery is maximum when
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 -
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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 | 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
|
| 2 | The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is |
A. 10Ω
B. 20Ω
C. 30Ω
D. 40Ω
|
| 3 | The potential difference across each resistance in series combination is |
A. same
B. different
C. zero
D. none of these
|
| 4 | The material in the form of wire or rod or plate which leads the current into or cut of the electrolyte is known as |
A. voltmeters
B. resistance
C. electrode
D. current
|
| 5 | 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
|
| 6 | The speed of randomly moving electrons depends upon |
A. pressure
B. volume
C. temperature
D. mass
|
| 7 | 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%
|
| 8 | Electron volt is the unit of. |
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
|
| 9 | Battery is charged in motor cars, which is based on |
A. Chemical effect
B. Magnetic effect
C. Electric effect
D. None
|
| 10 | 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
|
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