172775
Descrição
Mapa Mental por amy.cottom2, atualizado more than 1 year ago
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Criado por amy.cottom2
mais de 11 anos atrás
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Electric Current
- Absolute 0 Temp
- Above
- Atoms vibrate, liberated electrons
- Atoms vibrate, liberated electrons
- At 0
- Electrons attached to atoms
- Electrons attached to atoms
- Above
- Direction of Flow
- Coneventional
- The direction in which +
charged particles would flow
to the - terminal
- The direction in which +
charged particles would flow
to the - terminal
- Electron
- Electrons are -
charged and
would attract to
the + terminal
- Electrons are -
charged and
would attract to
the + terminal
- Coneventional
- Electrolyte
- Solution containing - & + ions
- Solution containing - & + ions
- Coulomb
- The amount of
charge that passes
a point when a
current of 1A flows
for 1s
- The amount of
charge that passes
a point when a
current of 1A flows
for 1s
- 1.6 x 10^-19
- Ammeter
- In series
- Measure Current
- In series
- Kirchhoffs 1st Law
- The sum of currents entering any
junction in a circuit is equal to the
sum of currents leaving that same
junction
- This is a consequence of the conversation of charge
- This is a consequence of the conversation of charge
- The sum of currents entering any
junction in a circuit is equal to the
sum of currents leaving that same
junction
- Flow of Charge
- Net flow of electrically charged particles
- Q= IT
- Current at ALL points of circuit
- Net flow of electrically charged particles
- Drift Velocity
- The average velocity with which
charge carriers move in the
conventional direction. They are
attracted to the opposite charge
and collide along the way- hence
drift
- I=NAVE
- A= m^-3 m^2 ms^-1 C
- A= m^-3 m^2 ms^-1 C
- V proportional to I
- V proportional 1/A
- V proportional 1/n
- The average velocity with which
charge carriers move in the
conventional direction. They are
attracted to the opposite charge
and collide along the way- hence
drift
- Number Density
- Metals
- Heat up= Increases Resistance
- High no. density
- Heat up= Increases Resistance
- Semi Conductors
- Heat up= Less resistance
- Electrons tightly bound
- Heat up= Less resistance
- Insulators
- Low number density
- Low number density
- Metals
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