問題一覧
1
electrons are transferred when object is rubbed against one another
charging by friction
2
discovered negatively charged particle called electron
Joseph John thomson
3
sum of the number of electrons and protons
net charge
4
electricity come with the Greek word?
electron
5
can happen due to induced charges. the charges in conducting object can be rearranged with the presence of an external charged object
charging by induction
6
2 types of charging by friction
electron affinity triboelectric series
7
means that attraction occurs
charge separation
8
first person known to experiment with static electricity
Thales Amber
9
the chemical property of an atom to attract electronsthe chemical property of an atom to attract electrons
electron affinity
10
states that the algebraic sum of all the electric charges in any closed system is constant
law of conservation of mass
11
discovered electron
thomson
12
carried famous experiment involving kites during thunderstorm
benjamin franklin
13
discovered of electromagnetic waves
hertz
14
Coulomb’s law?
Charles coulomb
15
who introduced the word electric?
william gilbert
16
he discovered current deflect magnetic compass
oersted
17
discovered of current induced by magnetic field
faraday
18
discovered the phenomenon called static electricity
thales of miletus
19
discovered the motor effect of electric current
henry
20
electricity do not flow neither heat
insulator
21
is produced when there is an imbalance of electrical charges
static electricity
22
equation of electromagnetism
maxwell’s
23
meaning of electron?
amber
24
discovered the current causes magnetic field
ampere
25
he invented electric battery
alessandro volta
26
amber means?
produced static electricity when rubbed to a cloth
27
studied the properties of lodestone & amber
william Gilbert
28
what is the book of William Gilbert?
De Magneto
29
discovered positively charged particle called protons
ernest rutherford
30
also known as charging by contact, a charged object is touched to a conductoralso known as charging by contact, a charged object is touched to a conductoralso known as charging by contact, a charged object is touched to a conductor
charging by conduction
31
discovered electrical conduction
ohm
32
ranks material based on their tendency to acquire charged
triboelectric series
33
electricity flows
conductor
34
3 subatomic particle
electron proton neutron