Q3 Physics Quiz 2

Question 1

Pairs of electrical charges interact with each other according to the law of _____ _____

Answer 1

Law of Electric Charge

Question 2

The attractive or repulsive interaction between any two charged objects is an ____ ______

Answer 2

Electric Force (Felectric).

Question 3

A SHORTER distance between chargers will experience a _______ electric force, the FARTHER the distance gives ______ electric force

Answer 3

greater ; weaker

Question 4

All charged particles will experience a force around them. And that region around an electrical charge particle where force is detected is called ______ _______.

Answer 4

Electric Field

Question 5

ELECTRIC _____ _______ go away from POSITIVE charges and toward NEGATIVE charges

Answer 5

FIELD LINES

Question 6

T or F. No two field lines from the same field can cross each other.

Answer 6

T

Question 7

T or F. The number of lines drawn leaving a positive charge or approaching a negative charge is NOT PROPORTIONAL to the magnitude of the charge.

Answer 7

F

Question 8

Pairs of electrical charges have a force that acts between them.

Answer 8

ELECTRIC FORCE

Question 9

electric force can be either be attractive or ______

Answer 9

REPULSIVE

Question 10

______ deals with the interaction of electric charge at rest.

Answer 10

ELECTROSTATICS

Question 11

The process of SUPPLYING the electric charge to an object or LOSING an electric charge from an object is called _______.

Answer 11

CHARGING

Question 12

Electric charge is _______. It can be TRANSFERRED from one object to another by moving electrons but it can not be created nor destroyed.

Answer 12

CONSERVED

Question 13

In the experiment, the hair becomes positively charged because it has a DEFICIENCY in electrons after ______.

Answer 13

rubbing

Question 14

In the experiment, after rubbing, the balloon becomes negatively
charged because it has excess ________.

Answer 14

electrons

Question 15

When an object has an equal number of protons and electrons it means the object is ________ charged.

Answer 15

neutrally

Question 16

UNLIKE charges _____ and LIKE charges _____

Answer 16

attract ; repel

Question 17

law that states that charges repel and unlike charges attract.

Answer 17

law for electrostatic charge

Question 18

Give the processes of Charging

Answer 18

Charging by Friction
Charging by Conduction
Charging by Induction

Question 19

When two objects are rubbed against each other, charge transfer
takes place. One of the objects loses electrons while the other object
gains electrons

Answer 19

Charging by Friction

Question 20

Charging by Friction is also known as _______ by friction

Answer 20

electrification

Question 21

The method of charging an uncharged object by bringing it close and IN CONTACT with a charged object. The charged conductor has an unequal number of protons and electrons, hence when an uncharged conductor is brought near it, it discharges electrons to stabilize itself

Answer 21

charging by conduction

Question 22

______ ______ is generated by the flow of negatively charged electrons, positively charged holes, and positive or negative ions in some cases.

Answer 22

Electrical current

Question 23

A _____ is an object or type of material that allows the flow of charge (electrical current) in one or more directions

Answer 23

conductor

Question 24

The process of charging an uncharged conductor by bringing it near acharged conductor WITHOUT any PHYSICAL CONTACT.

Answer 24

charging by induction

Question 25

An electrical ______ is a material in which the electron does not flow freely or the atom of the insulator has tightly bound electrons whose internal electric charges DO NOT flow freely; very little electric current will flow through it under the influence of an electric field.

Answer 25

insulator

Question 26

All matters are said to be neutral wherein the numbers of electron and protons are equal so once charges it do not stay for a long time because of the following factors EXCEPT:
A. amount of charge gain
B. presence of polar molecules
C. type of charge
D. type of material

Answer 26

C. type of charge

Question 27

A negatively charged object is brought close to the surface of a conductor, whose opposite side is then grounded. What kind of charge is left on the conductor’s surface?
A. neutral
B. negative
C. positive
D. both positive and negative

Answer 27

C. positive