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