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Unit of electric field is
NET
NUST Entry Test
Physics
Electrostatics
Unit of permittivity in free space is?
NET
NUST Entry Test
Physics
Electrostatics
Two charges of same magnitude are placed, the force between the charges will be maximum in the presence of which medium?
NET
NUST Entry Test
Physics
Electrostatics
If two charged conductors are joined by wire, then which of the following will happen?
NET
NUST Entry Test
Physics
Electrostatics
What will be the new Surface Density if Electric Intensity is increased to 3 times?
NET
NUST Entry Test
Physics
Electrostatics
If a body A is charged with charge q, and is touched with neutral body B and then with neutral body C. What will be the charge on C after the contact?
NET
NUST Entry Test
Physics
Electrostatics
When two suspended objects seem to attract each other electrically
NET
NUST Entry Test
Physics
Electrostatics
What will be the change in potential energy if an electron moves 4.5 m in the direction of an electric field of strength 325 N/C?
NET
NUST Entry Test
Physics
Electrostatics
When some charge is given to a soap bubble, it
NET
NUST Entry Test
Physics
Electrostatics
If the angle between electric field and vector area A is $\frac{\pi}{3}$ then electrlc flux will be?
NET
NUST Entry Test
Physics
Electrostatics
If capacitor is connected with battery and is fully charged then
NET
NUST Entry Test
Physics
Electrostatics
0.37q charge is stored on the capacitor, what will be the current?
NET
NUST Entry Test
Physics
Electrostatics
When wood is replaced by air as a dielectric, the capacitance of the capacitor
NET
NUST Entry Test
Physics
Electrostatics
If 60 capacitors each of Capacitance C are connected in series and then in parallel what is the ratio $\rm{\frac{Cs}{Cp}}=?$
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NUST Entry Test
Physics
Electrostatics
An electron is placed between two charged plates. The upper plate is positively charged and the lower plate is negative charged. The electron will
NET
NUST Entry Test
Physics
Electrostatics
Electric flux is positive when
NET
NUST Entry Test
Physics
Electrostatics
Which of the following can not be used as a dielectric in a capacitor
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NUST Entry Test
Physics
Electrostatics
Two conducting objects X and Y having a charge Q on them exert force F on each other. Now third conductor having a charge $-$Q is touched to X and is removed. The new force between X and Y will be
NET
NUST Entry Test
Physics
Electrostatics
The electric field of a point charge is _________ in shape.
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NUST Entry Test
Physics
Electrostatics
Electron volt is the unit of
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NUST Entry Test
Physics
Electrostatics
Two charges are separated by a distance r, in presence of which of the following the force between them will be minimum?
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NUST Entry Test
Physics
Electrostatics
Unit of Electric Intensity is
NET
NUST Entry Test
Physics
Electrostatics
$\rm{\frac{Q^{2}}{C}}$ has t he units of?
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NUST Entry Test
Physics
Electrostatics
Ratio of Electrical Constant t o Gravitational constant is approximately
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NUST Entry Test
Physics
Electrostatics
A charge is situated in the center of the cube. The electric flux through one of the faces of the cube is
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NUST Entry Test
Physics
Electrostatics
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