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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
A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be
Question # 2
Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?
Question # 3
A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance
Question # 4
Resistance of a conductor is increased, the currant will
Question # 5
One coulomb of charge is created by
Question # 6
A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 KV, its kinetic energy will be
Question # 7
In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is
Question # 8
Electron volt is the unit of
Question # 9
The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become
Question # 10
Two point charge +3μC and +8μC repel each other with a force of 40 N. If a charge of -5μC is added to each of them, then the force between then will become
Question # 11
A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then
Question # 12
A conducting wire is drawn to double its length. Final resistivity of the material will be
Question # 13
A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is
Question # 14
A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is
Question # 15
A 60 W bulb operates on 220 V supply. The current flowing through the bulb is
Question # 16
Surface density of charge is defined as
Question # 17
The unit of intensity of electric field is
Question # 18
The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is
Question # 19
The electric intensity outside the two oppositely charged parallel metal plates is
Question # 20
What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts?
Question # 21
At ordinary temperature, an increase in temperature increases the conductivity of
Question # 22
At any point on the right bisector of the line joining two equal and opposite charges
Question # 23
The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is
Question # 24
If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be
Question # 25
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 # 26
The relation between charge 'Q' and current 'I' is given by
Question # 27
Coulomb's force between two point charges depends upon
Question # 28
The graphical representation of ohm's law is
Question # 29
The thermistors are usually made of
Question # 30
The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV 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.