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

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

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

For a capacitor, the charge per unit volt is called

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

Electric flux is a:

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

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

The concept of electric field theory was introduced by

The capacitance of a capacitor depends upon the

The value of coulomb's constant k depends upon

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

Michael Faraday introduced the concept of:

The direction of field lines around a negative point charge is

"Xerography" means

Electric flux through a closed surface depends upon

SI unit of electric field intensity is

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

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

Electric potential is the characheristic of

The lines of force never be

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

It can be shielded

The electric lines of force for a positive sheat of charge

The electrostatic force as compared to the gravitational force is

The earth's potential is considered as:

Test charge is always a unit

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

The direction of field lines around a positive point charge is

Electric potential is a :

Heart of photo copier is

SI unit of electric flux is:

Sharks can detect the potential difference of the order of

The product of charge and potential difference is:

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

Gauss's law can only be applied to:

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

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

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

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

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

N/C is not the unit of

The unit of capacitance is

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

The value of ?_r for Various dielectrics is always

1 volt/meter is equal to:

The electric field can not deflect

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

Coulomb's law holds only for

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

The effective capacitance is reduced when capacitor are connected in

The inkjet print head ejects a steady flow of

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

Electric field intensity at a point is defined by the relation

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

One joule is equal to

One electron volt (eV) is equal to

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

Electric flux is maximum when area is held ____ to field

The strenght of the field at any point is known as

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

A capacitor is a perfect insulator for

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

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

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

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

An inkjet printer in its operation uses:

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

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

The ability of a capacitor to store charge is called as

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

Capacitor is a device used for storing

The electric flux through any surface depends upon

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

coulomb's force is

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

Work done per unit charge is called

Electric field will be uniform if field lines are

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

Which one of the following quantities is vector?

Unit of relative permittivity is

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

Joule / coulomb is the unit

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

The electric intensity at infinite distance from the point charge is

Identify the practical application of electrostatics

A charge at rest creates around it

Electron volt is the unit of

Electrostatic force is

The SI unit of potential difference is

The capacitance of a capacitor is given by

The drum in a photocopies is coated with a layer of

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

Coulomb's law is in accordance with Newton's

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

Coulomb / Volt is the unit of

During photocopy, the dark areas of documents retain their: