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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?
NETNUST Entry TestPhysicsElectrostatics
When some charge is given to a soap bubble, it
NETNUST Entry TestPhysicsElectrostatics
If the angle between electric field and vector area A is $\frac{\pi}{3}$ then electrlc flux will be?
NETNUST Entry TestPhysicsElectrostatics
If capacitor is connected with battery and is fully charged then
NETNUST Entry TestPhysicsElectrostatics
0.37q charge is stored on the capacitor, what will be the current?
NETNUST Entry TestPhysicsElectrostatics
When wood is replaced by air as a dielectric, the capacitance of the capacitor
NETNUST Entry TestPhysicsElectrostatics
If 60 capacitors each of Capacitance C are connected in series and then in parallel what is the ratio $\rm{\frac{Cs}{Cp}}=?$
NETNUST Entry TestPhysicsElectrostatics
An electron is placed between two charged plates. The upper plate is positively charged and the lower plate is negative charged. The electron will
NETNUST Entry TestPhysicsElectrostatics
Electric flux is positive when
NETNUST Entry TestPhysicsElectrostatics
Which of the following can not be used as a dielectric in a capacitor
NETNUST Entry TestPhysicsElectrostatics
The electric field of a point charge is _________ in shape.
NETNUST Entry TestPhysicsElectrostatics
Electron volt is the unit of
NETNUST Entry TestPhysicsElectrostatics
Two charges are separated by a distance r, in presence of which of the following the force between them will be minimum?
NETNUST Entry TestPhysicsElectrostatics
Unit of Electric Intensity is
NETNUST Entry TestPhysicsElectrostatics
$\rm{\frac{Q^{2}}{C}}$ has t he units of?
NETNUST Entry TestPhysicsElectrostatics
Ratio of Electrical Constant t o Gravitational constant is approximately
NETNUST Entry TestPhysicsElectrostatics
A charge is situated in the center of the cube. The electric flux through one of the faces of the cube is
NETNUST Entry TestPhysicsElectrostatics
If the medium is changed from air to diamond what would be the effect in potential difference of a capacitor?
NETNUST Entry TestPhysicsElectrostatics
Electrical effects due to friction are studied in
NETNUST Entry TestPhysicsElectrostatics
A proton is moving in the direction of negative x-axis. What will happen to it if potential difference of $\rm{V=-10x+7}$ is applied across the field.
NETNUST Entry TestPhysicsElectrostatics
Value of $\epsilon_{o}$ is
NETNUST Entry TestPhysicsElectrostatics
Capacitors store
NETNUST Entry TestPhysicsElectrostatics
Energy required to charge a capacitor of \rm{5 \,\mu F} by connecting DC source of 20 kV is
NETNUST Entry TestPhysicsElectrostatics