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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 conductivity of a superconductor is
Question # 2
An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be
Question # 3
Specific resistance of a wire depends upon
Question # 4
The resistance of an incandescent lamp is
Question # 5
A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?
Question # 6
Which one of the following has larger value of relative permitivity Erat room temperature?
Question # 7
Resistance of a conductor is increased, the currant will
Question # 8
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 # 9
The electric intensity at infinite distance from the point charge will be
Question # 10
The substances whose resistance decreases with the increase in temperature these substances have coefficient of
Question # 11
The electrode connected with the positive terminal of the current source is called
Question # 12
Resistor is a device which convert electric energy to
Question # 13
If we increase the distance between two plates of the capacitor, the capacitance will
Question # 14
When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates
Question # 15
The charge carriers in electrolyte are positive and negative
Question # 16
The capacitance of a parallel plate capacitor depends upon
Question # 17
Coulomb force, when any material medium is placed between two charges
Question # 18
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 # 19
The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is
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
Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?
Question # 22
If the two charges in Coulomb's law have double distance between them, then electric force
Question # 23
Battery is charged in motor cars, which is based on
Question # 24
One coulomb per second is equal to
Question # 25
The minimum charge on any object can not be less than
Question # 26
The SI unit of electric field intensity is
Question # 27
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 # 28
The speed of randomly moving electrons depends upon
Question # 29
The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of
Question # 30
A condenser of capacity 50μF is charged to 10 V.The energy stored is
Top Scorers Of Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQ`s Test
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ECAT Physics Chapter 12 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The ohm's is defined as |
A. 1 ampere / 1 volts
B. 1 coulomb / 1 volt
C. 1 volt / 1 ampere
D. 1 volt / 1 coulomb
|
| 2 | Which one of the following is the unit of electric field intensity |
A. JC-1
B. Vm-1
C. Cm-1
D. CJ-1
|
| 3 | A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be |
A. 64 W
B. 80 W
C. 100 W
D. 125 W
|
| 4 | Which of the following represents an electric current? |
A. C-1
B. CS-1
C. J.S-1
D. dynes-1
|
| 5 | The earth's potential is taken as |
A. Negative
B. Positive
C. Zero
D. Infinite
|
| 6 | 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
|
| 7 | If the length of the conductor is double and its cross sectional area is halved, its conductance will |
A. Increase four fold
B. Become one-fourth
C. Become one-half
D. Remains unchanged
|
| 8 | Ohm established a relation between |
A. voltage and resistance
B. voltage and charge
C. voltage and current
D. voltage resistance and charge
|
| 9 | The electric lines of force are |
A. Imaginary
B. Physically existing everywhere
C. Physically existing near the charge
D. All of the above
|
| 10 | At ordinary temperature, an increase in temperature increases the conductivity of |
A. Conductor
B. Semiconductor
C. Insulator
D. Alloy
|
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