1975265
Descripción
Mapa Mental por Jaden Thorne, actualizado hace más de 1 año
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Creado por Jaden Thorne
hace más de 9 años
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Magnetism and
Electromagnestism
- Properties of Magnetic Materials
- Magnetic Materials
- Ferromagnetic Materials
- Easily Magnetized
- Nickel, Iron, Cobalt, Manganese
- Easily Magnetized
- Paramagnetic Materials
- Can be magnetized but not easily
- Platinum, Titanium, Chromium
- Can be magnetized but not easily
- Diamegnetic Materials
- Cannot be magnetized
- Lines of force go around
- Copper, Brass, Antimony
- Cannot be magnetized
- Ferromagnetic Materials
- Classification
- Temporary
- Domains only aligned when force applied
- Force= another magnet or electric current
- Force removed little to no magnetic effect
- Force= another magnet or electric current
- Domains only aligned when force applied
- Permanent
- Always have magnetic effect
- Alloy Steel often used
- Always have magnetic effect
- Temporary
- Magnetic Poles
- North Pole
- Attracted to geographic North
- Attracted to geographic North
- South Pole
- Attracted to geographic south
- Attracted to geographic south
- Field flows N to S
- Like poles repel, opposite attract
- North Pole
- Magnetic Materials
- Magnetism Terminology
- Magnetic Flux
- Flux Density
- Permeability
- Reluctance
- Retentivity
- Saturation
- Magnetic Flux
- Electromagnetism
- Magnetic Feild Direction
- Left Hand Rule
for Conductors
- Left Hand Rule
for Conductors
- Magnetic Coil Polarity
- Left Hand Rule for Coils
- Left Hand Rule for Coils
- Factors Effecting
Electromagnet Strength
- Current
- Turns
- Type of Core
- Current
- Hysteresis Loss, Eddy
Currents, and Core Saturation
- Hysteresis loss: Silicon Steel
- Eddy Currents: Thin
insulated sheets
- Core saturation: domains are aligned
- Hysteresis loss: Silicon Steel
- Magnetic Feild Direction
- Induced Voltage
- Faraday's Law of Induction
- Fleming's Left-Hand Rule
- Factors Affecting Induced Voltage
- Flux Density
- # of turns
- Velocity and angle of cut
- Flux Density
- Faraday's Law of Induction
- Electromagnetic Induction
- Self-Induction
- Change in current causes change in
magnetic field inducing a voltage
- Induced voltage opposes current
- Change in current causes change in
magnetic field inducing a voltage
- Lenz's Law of Induction
- If an induced current flows, its direction is
always such that it will oppose the change
which produced it.
- If an induced current flows, its direction is
always such that it will oppose the change
which produced it.
- Inductance
- Property that opposes change
of current
- Property that opposes change
of current
- Mutual Induction
- Self-Induction
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