ELECTRICITY Flashcards
(31 cards)
1
Q
- when a moving magnet creates an electric current through a wire
A
Electromagnetic Induction
2
Q
- are manifestation of a single underlying electromagnetic force
A
Electricity and Magnetism
3
Q
- happens when charges move, creating electric fields
A
Electricity
4
Q
- happens when charges move, creating magnetic fields
A
Magnetism
5
Q
- primary function is to convert electric energy into electromagnetic energy
A
Xray Imaging System
6
Q
- movement of tiny particles called electron
- makes electronic devices work
A
Electricity
7
Q
- type of electricity when charges build upon something
A
Static Electricity
8
Q
- type of electricity hat needs medium like a wire
A
Current Electricity
9
Q
- formula for electricity
A
E = mc²
10
Q
- study of stationary electric charges
- study of distribution of fixed charges
A
Electrostatics
11
Q
- measured in volt
- 1V = 1 J/C
A
Electric Potential
12
Q
- measured in ampere
- 1A = 1 C/s
A
Electric Current
13
Q
- electric charge measured in coulomb
A
1C = 6×10¹⁸
14
Q
- transfer/ movement of an electron from one to another
- important method used in the operation of electronic devices
A
- transfer/ movement of an electron from one to another
- important method used in the operation of electronic devices
15
Q
- electrification created by:
A
Friction, Contact, Induction
16
Q
- object that behaves as a reservoir for stray electric charges
- storage area for extra electronic charge
- shock is prevented, keeps system safe
A
Electric Ground
17
Q
- electrostatic law charges uniformly distributed at the surface
A
Distribution
18
Q
- electrostatic law charges gather at the point area
A
Law of Concentration
19
Q
- electrostatic law only negative charges move along conductors, protons tightly bound in nucleus
A
Movement
20
Q
- directly proportional to the product of charges
- inversely proportional to the square of the distance between them
A
Electrostatic Force
21
Q
- study of electric charges when in motion
A
Electrodynamics
22
Q
- work with electric current (practical)
A
Electric Engineer
23
Q
- concerned with electric flow (atomic level)
A
Physicist
24
Q
- movement of electrons along a conductor like a wire
A
Electric Current
25
- type of electric current that flows only in one direction
- most common in batteries
Direct Current (DC)
26
- type of electric current that periodically reverses direction
Alternating Current
27
- the electrostatic force is directly proportional to the product of charges and inversely proportional to the square of the distance between them
Cuolomb's Law
28
- lines of force that causes charged particles to move from one pole to another
Electric Field
29
- efield positive charge points?
Outward - Radiates out
30
- efield negative charge points?
Toward, Radiates In
31
- uncharged particles?
No Magnetic Field
