Electrostatic & Electrodynamics

Question 1

study of stationary electric charges

Answer 1

electrostatic

Question 2

two types of electric charge

Answer 2

cations and anions

Question 3

positively charge ions results from the loss of electrons

Answer 3

cations

Question 4

negatively charge ions results from the gain of electrons

Answer 4

anions

Question 5

it is the process of adding or removing electrons from an object

Answer 5

electrification

Question 6

three types of electrification

Answer 6

contact, friction and induction

Question 7

in three types of electrification, it is a connection that causes the flow electrons

Answer 7

contact

Question 8

in three types of electrification, it is a buildup of electron caused by rubbing of object together

Answer 8

friction

Question 9

in three types of electrification, using the electric field of a charged object to confer a charge on an uncharged object

Answer 9

induction

Question 10

it is the build up of electric charges

Answer 10

static electricity

Question 11

it is called when an object that has too few or too many electrons

Answer 11

electrified

Question 12

4 Laws under Electricity

Answer 12

electrostatic law
coulumb’s law
electric charge distribution
electrified charge concentration

Question 13

unlike charges attract ; like charges repel

Answer 13

electrostatic law

Question 14

it is when electrostatic force is directly proportional to the product of the charges and inversely proportional to the square of the distance between them

Answer 14

coulumb’s ;aw

Question 15

it is when an object become electrified, the electrical charges are distributed throughout the object such as thunder cloud

Answer 15

electric charge distribution

Question 16

it is when electric charges are concentrated along the sharpest curvature of the surface such as electric cattle rod

Answer 16

electrified charge concentration

Question 17

it is the stored energy and it has the ability to work when the energy is released

its unit is volt (V)

sometimes termed as electromotive force (EMF) or voltage

Answer 17

electric potential

Question 18

it is the study of charges in motion

Answer 18

electrodynamics

Question 19

four electrical state of matter

Answer 19

conductors, insulators, semiconductors and superconductivity

Question 20

in four electrical state of matter, it is a matter through which electrons flow easily like copper, aluminum and water

Answer 20

conductors

Question 21

in four electrical state of matter, it is a matter that inhibits the flow of electrons like glass, clay and earth like material

Answer 21

insulators

Question 22

in four electrical state of matter, it is a matter that under some conditions behaves as an insulator or act as a conduction like silicon and germanium

Answer 22

semiconductors

Question 23

in four electrical state of matter, it is the property of limited resistance to electron flow below critical temperature that allows the flow of electron without any resistance

Answer 23

superconductivity

Question 24

it is the result when the resistance is controlled and the electron flow over a closed path

Answer 24

electic circuit

Question 25

electric current are measured in ___

Answer 25

ampere (A)

Question 26

electric potential is measured in ___

Answer 26

volt (V)

Question 27

it is the law that states that the voltage across the total circuit or any portion of the current is equal to the current times the resistance

Answer 27

ohm’s law

Question 28

it is the opposition to the flow of an electric current, producing heat

the greater the ____, the less current gets through

Answer 28

resistance

Question 29

two types of electric circuits

Answer 29

series and parallel

Question 30

two types of currents

Answer 30

direct and alternating

Question 31

it is a type of current where electrons flowing in one direction along the conductor where electrons flow in the same direction in a wire

Answer 31

direct current

Question 32

it is a type of current where electrons oscillates back and forth electrons flow in different directions in a wire

Answer 32

alternating current

Question 33

electric power is measured in ___

Answer 33

watts (W)