ELECTRICITY Flashcards

1
Q
  • when a moving magnet creates an electric current through a wire
A

Electromagnetic Induction

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2
Q
  • are manifestation of a single underlying electromagnetic force
A

Electricity and Magnetism

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3
Q
  • happens when charges move, creating electric fields
A

Electricity

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4
Q
  • happens when charges move, creating magnetic fields
A

Magnetism

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5
Q
  • primary function is to convert electric energy into electromagnetic energy
A

Xray Imaging System

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6
Q
  • movement of tiny particles called electron
  • makes electronic devices work
A

Electricity

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7
Q
  • type of electricity when charges build upon something
A

Static Electricity

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8
Q
  • type of electricity hat needs medium like a wire
A

Current Electricity

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9
Q
  • formula for electricity
A

E = mc²

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10
Q
  • study of stationary electric charges
  • study of distribution of fixed charges
A

Electrostatics

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11
Q
  • measured in volt
  • 1V = 1 J/C
A

Electric Potential

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12
Q
  • measured in ampere
  • 1A = 1 C/s
A

Electric Current

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13
Q
  • electric charge measured in coulomb
A

1C = 6×10¹⁸

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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
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15
Q
  • electrification created by:
A

Friction, Contact, Induction

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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
Q
  • type of electric current that flows only in one direction
  • most common in batteries
A

Direct Current (DC)

26
Q
  • type of electric current that periodically reverses direction
A

Alternating Current

27
Q
  • the electrostatic force is directly proportional to the product of charges and inversely proportional to the square of the distance between them
A

Cuolomb’s Law

28
Q
  • lines of force that causes charged particles to move from one pole to another
A

Electric Field

29
Q
  • efield positive charge points?
A

Outward - Radiates out

30
Q
  • efield negative charge points?
A

Toward, Radiates In

31
Q
  • uncharged particles?
A

No Magnetic Field