If the distance between the two point charges become half then force between them becomes__________?
The electric charge of 100 °C is 13cm apart from another charge 16.9°C electric force between them is__________?
Two charges are placed at a certain distance. If the magnitude of each charge is doubled the force will become__________?
An electric field can deflect__________?
Electric flux linked with a surface will be maximum when__________?
The electric lines of force are__________?
If free space between the plates of a capacitor is replaced by a dielectric__________?
A hollow metallic sphere of 8cm diameter is charged with 4 x 10 8C. The potential on its surface will be__________?
Potential difference is the work done in moving unit positive charge form one point to another__________?
The value of the capacitance depends upon the__________?
A 5 μF capacitor has a potential difference across its plates of 200 volts. The charge on the capacitor is__________?
Equivalent capacitance is greater than individual capacitances in__________?
The number of electrons in one coulomb charge is equal to__________?
SI unit of the permittivity of free space is__________?
Value of εr for various dielectrics is always__________?
Which one of the following can be taken as the measure of electric intensity ?
Electric flux due to a point charge +q is__________?
N/C =__________?
Photocopier and inject printer are dealt in__________?
If a charged rod is brought closer to a gas filled balloon then__________?
If metallic conductor is charged negatively then its weight__________?
If two charges are increased by two times then force__________?
If mica sheet is placed between the plates of a capacitor the capacity__________?
If an electrons is allowed to move along the field in a non uniform electric field then it will follow__________?
Selenium becomes a conductor in light so it behaves like__________?
In a charged capacitor the energy resides in__________?
A capacitor is a perfect insulator for__________?
A charge of 0.10C accelerated through a potential difference of 1000V acquires kinetic energy__________?
Electric intensity at infinite distance from the point charge is__________?
In a non-uniform electric field a polar molecule will experience__________?
Two oppositely charged balls A and B attract third conducting ball C when placed near them turn by turn. Then ball C must be__________?
capacitor is to have an energy content of 20J it must be placed across a potential difference of__________?
A 25eV electron has a speed of__________?
Equipotential planes are__________?
The metallic spheres A and B of radii 2m and 4m respectively carry the same charge 4 x 10 8C. If the spheres are connected by a copper wire__________?
Two similar charges each of one coulomb placed in air one meter apart repel each other with a force__________?
A closed surface contains two equal and opposite charges. The net electric flux from the surface will be__________?
Electric intensity being a vector quantity always points__________?
An electric charge at rest produces__________?
The force per unit charge is know as__________?
Electric force between two point charges in air or vacuum is F. If we replace air or vacuum by an insulator (dielectric) of relative permitivity Cr the force between the charges will__________?
The minimum charge on any object cannot be less than__________?
When we rub a glass rod with a silk cloth then__________?
A capacitor in a circuit became hot and ultimately exploded due to wrong connections, which type of capacitor it could be ?
Which of the following capacitors is marked for polarity ?
The power dissipated in a pure capacitor is__________?
When a dielectric slab is introduced in a parallel plate capacitor, the potential difference between plates will__________?
A capacitor consists of__________?
A paper capacitor is usually available in the form of__________?
The absolute permittivity of free space is given by__________?
Which of the following statements is incorrect ?

select the correct statement?

A. the electric lines of force have no physical existence
B. they expand laterally and contract longitudinally
C. they do not cross each other and group together in dielectric
D. all the above statements are true

Correct Answer: all the above statements are true ✔

Last Updated: August 14, 2021