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ECAT Pre General Science Physics Chapter 12 Electrostatics Online Test
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 12 Electrostatics Online Test
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Question # 1
An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be
Question # 2
106electrons are moving through a wire per second, the current developed is
Question # 3
Resistance of a conductor is increased, the currant will
Question # 4
In bringing an electron towards another electron, electrostatic potential energy of system
Question # 5
Cause of heat production in a current carrying conductor is
Question # 6
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 # 7
A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?
Question # 8
The nature of capacity of electrostatic capacitor depends on
Question # 9
Specific resistance of a wire depends upon
Question # 10
Equal charges are given to two spheres of different radii. The potential will
Question # 11
The potential difference across each resistance in series combination is
Question # 12
The electric lines of force are
Question # 13
The graphical representation of ohm's law is
Question # 14
Heating effect caused by an electric circuit is written
Question # 15
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
Question # 16
If the distance of separation between two chares is increased, the electrical potential energy of the system will
Question # 17
A hollow insulated conduction sphere is given a positive charge of 10μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?
Question # 18
Resistor is a device which convert electric energy to
Question # 19
In a charged capacitor the energy is stored in
Question # 20
The substances whose resistance decreases with the increase in temperature these substances have coefficient of
Question # 21
The force of repulsion between two point charges is F, when these are at a distance 0.1 m apart. Now the point charges are replaced by sphere of radii 5 cm each having the same charge as that of the respective point charges. The distance between their centre is again kept 0.1 m ; then the force of repulsion will
Question # 22
If electric and gravitational force on an electron in a uniform electric field will be
Question # 23
The energy stored in a charge capacitor
Question # 24
A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
Question # 25
The dot product of electric field intensity E and vector area A is called
Question # 26
The SI unit of capacitance is
Question # 27
The electric field due to an infinite long thin wire at a distance R varies as
Question # 28
A wire is bent into a ring of radius R is given a charge q. The magnitude of the electrical field at the centre of the ring is
Question # 29
The unit of resistance is
Question # 30
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
Matric Part 2/10th Class English Chapter 1 MCQ Test With Answer for Chapter 1 Hazrat Muhammad (S.A.W) an Embodiment of Justice
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Biology Chapter 1 MCQ - PDF
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Download PDF with answers to study online or offline. The PDF cotnains all MCQ questions with answers for Class 10 Biology Chapter 1 - Acids and Liquids. Total questions are 12.
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