physics 2 lesson 1 to 4

There are three types of charges: positive, negative and

neutral.

• TRUE

• FALSE

Answer explanation

There are two types of charges: positive and

negative.

The only factor that affects the charge of objects when

you rub them is their electronegativity.

• TRUE

• FALSE

Answer explanation

Changes in charges are brought by the movement of negatively charged particles.

It is possible that charges will not be conserved when

you consider charging by induction experiment.

• TRUE

• FALSE

Answer explanation

the total charge remains constant during induction, just redistributed.

There is an inverse-square relationship between

electrostatic force and distance separation of forces.

• TRUE

• FALSE

Two positive charges will have an attractive force.

• TRUE

• FALSE

Answer explanation

Two positive charges will repel each other. Like charges repel, and opposite charges attract.

The direction of the electrostatic force is determined by

the charges of the particles.

• TRUE

• FALSE

Electric field is a scalar quantity.

• TRUE

• FALSE

Answer explanation

Electric field is a vector quantity. It can be

illustrated using electric field lines.

The unit of electric field is N/C2

• TRUE

• FALSE

Answer explanation

N/C

There is an inverse-square relationship between electric

field and distance.

• TRUE

• FALSE

The electric field between two parallel oppositely

charged plates is uniform.

• TRUE

• FALSE

Answer explanation

A two charged and parallel plates will create a uniform electric field when both carry equally distributed opposite charges. Still, if the plates have the same charge (positive or negative), the electric field equals zero.