ELECTRIC CHARGE

Question 1

electric come from the Greek word of amber which is ——–

Answer 1

elektron

Question 2

it is one of the basic forms of energy

Answer 2

electricity

Question 2

it can be generated in many ways and is associated with charges electrons and protons

Answer 2

electricity

Question 3

it is the electric discharge between a clound and the ground

Answer 3

Lightning

Question 4

2 types of charges

Answer 4

static charge
moving charge

Question 5

these are charges in which they stay in one place and can be produced by conduction and induction of charges via a charging body

Answer 5

Static

Question 6

it is the flow of electric charges from one point to another

Answer 6

moving

Question 7

it is like the current flowing through a wire

Answer 7

moving

Question 8

2 types of charging processes

Answer 8

conduction
induction

Question 9

it is charging with contact and where electrons move directly from one body to another

Answer 9

Conduction

Question 10

it is charging without contact and is where electrons move to or from the ground

Answer 10

Induction

Question 11

3 charging processes

Answer 11

positively charged
negatively charged
neutral

Question 12

it when there is an excess of positive charges

Answer 12

positively charged

Question 13

it is when there is an excess of negative charges

Answer 13

Negatively charged

Question 14

it is when there is an equal number of positive and negative charges

Answer 14

Neutral

Question 15

what type of charging process is it when a charging body (+) physically touches the neutral body

Answer 15

Charging by Conduction

Question 16

what type of charging process is it when the polarization of Body B. The negative charges are attracted to the charging body (A). the positive charges are repelled by (A)

Answer 16

Charging by Conduction

Question 17

what type of charging process is it when the flow of electrons from B to A because electrons are more mobile

Answer 17

Charging by Conduction

Question 18

what type of charging process is it when Body B acquires the same charge as A. A and B repels

Answer 18

Charging by conduction

Question 19

what type of charging process is it when a charging body (+) is brought near a neautral body (B) but without physical contact

Answer 19

Charging by Induction

Question 20

what type of charging process is it when the polarization of body B. The negative charges are attracted to the charging body (A). the positive charges are repelled by (A)

Answer 20

Charging by Induction

Question 21

what type of charging process is it when the grounding of Body B. The flow of electrons from the ground to B

Answer 21

Charging by Induction

Question 22

what type of charging process is it when the Body B acquires negative charges and becomes negatively charged. A and B attract

Answer 22

Charging by Induction

Question 23

like charges —–

Answer 23

repel

Question 24

unlike charges ----

Answer 24

attract

Question 25

it is when the net charge of the two objects taken together does not change

Answer 25

Law of conservation of charge

Question 26

these are properties of matter are due its structure and electric nature of atoms

Answer 26

Bohr's Model

Question 27

2 types of interaction of particles

Answer 27

- Annhilation Process - Pair Production

Question 28

what interaction of particles process is this? *e- + e+ ----> y + y*

Answer 28

Annihilation Process

Question 29

what interaction of particles process is this? y -----> e- + e+

Answer 29

Pair Production

Question 30

What is the mass of ELECTRON, e-?

Answer 30

9.11 x 10^-31 kg

Question 31

What is the charge of ELECTRON, e-?

Answer 31

-1.6 x 10^-19 C

Question 32

What is the mass of PROTON, p?

Answer 32

1.67 x 10^-27 kg

Question 33

What is the mass of NEUTRON?

Answer 33

1.67 x 10^-27 kg

Question 33

What is the change of PROTON, p?

Answer 33

+ 1.6 x 10^-19 C

Question 34

what are the 4 classification of materials?

Answer 34

- Conductors - Insulators - Semiconductors - Superconductors

Question 35

it is a conduct electric current in which significant number of charges are free to move

Answer 35

Conductors

Question 36

these are non-conductors in which charges are very much localized (stays in position)

Answer 36

Insulators

Question 37

it behaves as insulators and sometimes as conductors

Answer 37

Semiconductors

Question 38

no resistance at a critical temperature

Answer 38

Superconducters