2nd Year Physics MCQs Test ELECTROSTATICS Chapter No.1 Test No.1 Online QUIZ pdf download

The capacitance of a capacitor is given by

For a capacitor, the charge per unit volt is called

The number of electric field lines passing through a certains elements of area is called

One electron volt (eV) is equal to

Electric field intensity at a point is defined by the relation

The electrostatic force of repulsion between two electrons lying at a distance of 1 m is

Number of electric lines that can be drawn from a point charge is

Whcn an insulator (i.e., dielectric) is placed between the charges, the force between the charges, as compared to vacuum

The capacitance of a capacitor depends upon the

A particle carrying a charge of 2e falls through a potential difference of 3.0 V . The energy acquired by it will be:

In SI units, the value of permittivity of free space (?₀) is

Coulomb's law holds only for

The unit of capacitance is

Electric flux is zero, when area is held____ to electric field

The strenght of the field at any point is known as

The electrostatic force of repulsion between two Charge of magnitude 1C each lying at a distance of 1 m is

Electric flux through a closed surface depends upon

The earth's potential is considered as:

SI unit of electric field intensity is

A capacitor is a perfect insulator for

Electron volt is the unit of

The electrostatic force as compared to the gravitational force is

Test charge is always a unit

The magnitude of the electric field between two separated plates can be calculated by the relation

The electric lines of force for a positive sheat of charge

1 volt/meter is equal to:

The electric field can not deflect

Unit of relative permittivity is

SI unit of electric flux is:

The magnitude of electric intensity due to point charge q at a distance r in free space is

The work done in moving a unit positive charge from one point to another against the electric field is a measure of:

Coulomb's law is in accordance with Newton's

The electric flux through a plane area will be half of its maximum value when area is held at angle of _____ with electric field

The electric intensity at infinite distance from the point charge is

If a charge body is moved against the electric field it will gain

The concept of electric field theory was introduced by

The drum in a photocopies is coated with a layer of

One joule is equal to

The direction of field lines around a positive point charge is

Work done per unit charge is called

If we move away from a charge, the magnitude of electric intensity will

During photocopy, the dark areas of documents retain their:

The ability of a capacitor to store charge is called as

The electric flux ? through a closed surface having a charge 'q' at its centre is

If the electric force between two charges is one newton, then the charges are

The value of electrostatic constant k (i.e., 1/4??₀) is

In Millikan's oil drop method, the oil droplet is suspended between plates if

Which one of the following quantities is vector?

An inkjet printer in its operation uses:

Millikan devised a technique for the measurement of the charge on an

Capacitor is a device used for storing

Electrostatic force is

Identify the practical application of electrostatics

Electric potential is a :

Electric potential is the characheristic of

N/C is not the unit of

Flux passing through an area A? will be positive, when angle between E? and A? will be

Joule / coulomb is the unit

The electric intensity at the mid point of the line joining the two like charges of same magnitude is

Intensity of electric field inside a hollow metallic charged sphere will be:

Electric field will be uniform if field lines are

Sharks can detect the potential difference of the order of

The SI unit of potential difference is

The electric field as a potential gradient can be expreassed as:

Gauss's law can only be applied to:

The product of charge and potential difference is:

The value of coulomb's constant k depends upon

The charge on the droplet in millikan experiment is calculated by using the formula

When a dialectic is placed between the two plates of a charged capacitor which one of the following quantity changes:

Electric flux is maximum when area is held ____ to field

"Xerography" means

If a charge of 10 ?C experience a force of 10^{-2 N at a point, then electric intensity at that point is:}

A charge at rest creates around it

A special dry, black power which is spread over the drum of photocopier is called

When a dialectic is placed between the two plates of a charged capacitor which one of the following quantity decrease does not change

Coulomb / Volt is the unit of

The lines of force never be

Electric flux is a:

The value of ?_r for Various dielectrics is always

It can be shielded

If 2C charge is given to two oppositely charged bodies having charge 2C each, then force between them becomes

The electric potential is constant through out a region of space, the electric field in this region will be

The number of electrons in one coulomb charge is equal to . [Hint : q= ne]

If the distance between two point charges is reduced to half, the force becomes

The force per unit charge at a point in an electric field known as

The effective capacitance is reduced when capacitor are connected in

The electric flux through any surface depends upon

The inkjet print head ejects a steady flow of

Michael Faraday introduced the concept of:

coulomb's force is

Heart of photo copier is

In millikan's method, in order to calculate mass of droplet, electric field is

Dot product of electric intensity and plane vectore area elements is called

The direction of field lines around a negative point charge is

According to Gauss's law, the flux(?_e) through a closed surface is proportional to [Q is the charge enclosed]

The study of electric charges at rest under the action of electric force is known as