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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
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 # 2
The SI unit of conductivity is
Question # 3
The relation between charge 'Q' and current 'I' is given by
Question # 4
A 50 volt battery is connected across 10 ohm resistor. The current is 4.5 A. The internal resistance of the battery is
Question # 5
One coulomb per second is equal to
Question # 6
At any point on the right bisector of the line joining two equal and opposite charges
Question # 7
The resistivity of a substance depends upon the
Question # 8
The capacity of a parallel plat capacitor depends on the
Question # 9
A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then
Question # 10
A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance
Question # 11
A condenser of capacity 50μF is charged to 10 V.The energy stored is
Question # 12
A current of 1.6 A is passed through a solution of CuSO4. How many Cu2+ions are liberated in one minute?
Question # 13
The electric lines of force are
Question # 14
The charge carriers in electrolyte are positive and negative
Question # 15
The SI unit of electric field intensity is
Question # 16
The graphical representation of ohm's law is
Question # 17
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 # 18
The relation V = IR represents
Question # 19
A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is
Question # 20
If the distance of separation between two chares is increased, the electrical potential energy of the system will
Question # 21
A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be
Question # 22
Battery is charged in motor cars, which is based on
Question # 23
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 # 24
If a charged spherical conductor of radius 10 cm has potential V at a point distance 5 cm from its centre, then the potential at a point distance 15 cm from the centre will be
Question # 25
A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be
Question # 26
The unit of conductance is
Question # 27
The capacitance of a parallel plate capacitor depends upon
Question # 28
The electric intensity at infinite distance from the point charge will be
Question # 29
Ohm is the unit of
Question # 30
Electron volt is the unit of
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 | 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 |
A. 2 R
B. R/4
C. R/2
D. R
|
| 2 | The unit of conductance is |
A. ohm
B. meter
C. mho
D. ohm-meter
|
| 3 | 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%
|
| 4 | 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
|
| 5 | The resistance of the given conductor can be increased by |
A. Increasing the area
B. Changing resistivity
C. Decreasing the length
D. None of the above because change does not matter because in any case the volume remains the same
|
| 6 | 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
|
| 7 | The charge carriers in electrolyte are positive and negative |
A. protons
B. electrons
C. ions
D. none of these
|
| 8 | The concept of field theory was put forward by |
A. Franklin
B. Kepler
C. Oersted
D. Michael Faraday
|
| 9 | The electrode connected with the positive terminal of the current source is called |
A. cathode
B. anode
C. electrolyte
D. position
|
| 10 | Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends |
A. 120 C
B. 240 C
C. 20 C
D. 4 C
|
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