ELECTROMAGNETISM Flashcards
1
Q
- he observed that a dissected frog leg twitched when touched by two different metals
A
Luigi Galvani (1700)
2
Q
- he contributed to the development of batteries
A
Alessandro Volta
3
Q
- pre-cursor of modern battery
- a copper zinc plate like a dagwood sandwich
A
Voltaic Pile
4
Q
- modern batter components
A
Carbon Rod (+) , Zinc Cylindrical Can (-)
5
Q
- he demonstrated that electricity could be used to generate magnetic fields
A
Hans Oersted (1820)
6
Q
- he demonstrated that changing magnetic field generates electricity
A
Micheal Faraday
7
Q
- it determines the direction of the magnetic field
A
Right Hand Rule
8
Q
- a coil of wire
A
Solenoid
9
Q
- a current carrying coil of wire wrapped around an iron core
- advantage can be turned on or off
- requires electricity to be applied
A
Electromagnets
10
Q
- measures current
A
Ammeter
11
Q
- an electric current produces mechanical motion
A
Electric Motor
12
Q
- mechanical motion produces electric current
A
Electric Generator
13
Q
- switches the direction of a current through the loop
A
Commuter Ring
14
Q
- changes the intensity of alternating voltage and current
- applicable only on AC
A
Transformer
15
Q
- a type of motor used in xray tubes
- it powers the rotating anode of an xray tube
A
Induction Motor
