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MCQ's Test For ECAT Physics Chapter 12 Electrostatics
Try The MCQ's Test For ECAT Physics Chapter 12 Electrostatics
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 12 Electrostatics
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Question # 1
A point charge A of charge +4μC and another B of charge -1μC are placed in air at a distance 1 m apart. Then the distance of the point on the line joining the charge B, where the resultant electric field is zero, is (in m)
Question # 2
The SI unit of permitivity is
Question # 3
A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?
Question # 4
106electrons are moving through a wire per second, the current developed is
Question # 5
For two resistance wires joined in parallel, the resultant resistance is 6/5 ohm. When one of the resistance wire breaks, the effective resistance becomes 2 ohm. The resistance of the broken wire is
Question # 6
A conducting wire is drawn to double its length. Final resistivity of the material will be
Question # 7
The electric field due to an infinite long thin wire at a distance R varies as
Question # 8
The resistivity of a substance depends upon the
Question # 9
The material in the form of wire or rod or plate which leads the current into or cut of the electrolyte is known as
Question # 10
If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy
Question # 11
A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?
Question # 12
Electric generators which convert mechanical energy into
Question # 13
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
Question # 14
Specific resistance of a wire depends upon
Question # 15
Battery is charged in motor cars, which is based on
Prepare Complete Set Wise ECAT Physics Chapter 12 Electrostatics MCQs Online With Answers
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Set 1
15 Questions
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Set 2
15 Questions
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Set 3
15 Questions
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Set 4
15 Questions
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Set 5
15 Questions
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Set 6
15 Questions
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Set 7
15 Questions
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Set 8
15 Questions
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Set 9
15 Questions
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Set 10
15 Questions
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Set 11
15 Questions
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Set 12
13 Questions
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Top Scorers Of ECAT Physics Chapter 12 Electrostatics MCQ`s Test
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A Anayat Ali 04 - Apr - 2024 01 Min 07 Sec 60/60 -
A Abdullah 07 - Mar - 2024 08 Min 13 Sec 60/60 -
A Alishba Farooq 08 - Mar - 2024 16 Min 42 Sec 55/60 -
A Abdullah Baloch 28 - Jul - 2024 00 Min 21 Sec 50/60 -
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M Malik Mureed Awan 02 - Dec - 2024 01 Min 58 Sec 40/60 -
M mashal zainab 11 - Mar - 2024 05 Min 58 Sec 40/60 -
I Inamurehman rehmanbajwa 27 - May - 2024 10 Min 39 Sec 40/60 -
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M Muhammad Abdur.Rahman Khan 01 - Sep - 2024 07 Min 03 Sec 35/60
ECAT Physics Chapter 12 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The unit of resistance is |
A. volt
B. ampere
C. ohm
D. coat
|
| 2 | Which one of the following causes production of heat when current is set up in a wire? |
A. Fall of electrons from higher orbits to lower orbits
B. Inter-atomic collisions
C. Inter-electron collisions
D. Collisions of conduction electron with atoms
|
| 3 |
|
A. 5μF
B. 10μF
C. 3μF
D. 6μF
|
| 4 | Heating effect caused by an electric circuit is written |
A. H = I2Rt
B. H = I2R
C. H = IR2t
D. H = IR2
|
| 5 | Free electrons are |
A. tightly bound
B. fixed
C. loosely bound
D. tightly fixed
|
| 6 | Electric generators which convert mechanical energy into |
A. solar energy
B. thermal energy
C. kinetic energy
D. electrical energy
|
| 7 | A 60 W bulb operates on 220 V supply. The current flowing through the bulb is |
A. 11/3 A
B. 3 A
C. 3/11 A
D. 6
|
| 8 | If the two charges in Coulomb's law have double distance between them, then electric force |
A. Becomes two-fold
B. Becomes four-fold
C. Remains the same
D. None of these
|
| 9 | 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
|
| 10 | If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be |
A. 0.1 watt
B. 1 watt
C. 10 watt
D. 100 watt
|
Test Questions