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Electricity
The collection or flow of electrons in the form of an electric charge
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The collection or flow of electrons in the form of an electric charge is?
Electricity
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Law of electric charges
The law that states that like charges repel and opposite charges attract
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The law that states that like charges repel and opposite charges attract
Law of electric charges
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Electric Field
The space around a charged object in which another object experiences an electric force
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The space around a charged object in which another object experiences an electric force is?
Electric field
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Electric Force
- The force of attraction or repulsion on a charged particle that is due to an electric field.
- As electrons connect on an object, it becomes negatively chared. As electrons leave an object it attains a positive charge.
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The force of attraction or repulsion on a charged particle that is due to an electric field. As electrons connect on an object, it becomes negatively chared. As electrons leave an object it attains a positive charge. ??
Electric Force
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Friction
- Electrons are "wiped" from one object to another
- EX- hair and balloon
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Electrons are "wiped" from one object to another
EX- hair to balloon
Friction
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Conduction
- Electons move from one object to another by direct contact
- - EX. shuffling feet and then touching a doorknob
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Electons move from one object to another by direct contact - EX. shuffling feet and then touching a doorknob
Conduction
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Induction
- Charges in an uncharged metal object are rearranged without direct contact with a charged object.
- EX- Comb to water
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Charges in an uncharged metal object are rearranged without direct contact with a charged object. EX- Comb to water
Induction
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Electrical Distarge
- The passing of an electric current through the air from a negatively charged object to a positively charge object.
- CAUSES LIGHTNING
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The passing of an electric current through the air from a negatively charged object to a positively charge object. CAUSES LIGHTNING
Electrical Distarge
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Static Electricity
Static charge at rest, usually caused by friction or induction
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Static charge at rest, usually caused by friction or induction
Static Electricity
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Electric Distarge
The release of electricity stored in a source
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The release of electricity stored in a source is
Electric Distarge
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Electrical conductores
Materials that can move electrons easily. GOOD CONDUCTORS METALS (COPPER,GOLD,SILVER)
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Materials that can move electrons easily are. GOOD CONDUCTORS METALS (COPPER,GOLD,SILVER)
Electrical conductors
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Electricial Nonconductors (Insulators)
Materials that DO NOT move electrons easily. WOOD, RUBBER
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Materials that DO NOT move electons easily. EX- WOOD, RUBBER
Electricial Nonconductors (Insulators)
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Semiconductors
Matericals that sometimes behave as conductors and sometimes behave as insulators. EX- SILICON, ARSENIC, GERANIUM
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Matericals that sometimes behave as conductors and sometimes behave as insulators. EX- SILICON, ARSENIC, GERANIUM
Semiconductors
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Electric Current (I)
The rate at which charges pass through a given point
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The rate at which charges pass through a given point is
Electric Current (I)
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Electric current is measured in?
Amperes (A)
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Alternating Current (AC)
- Charges continuously shift from going in one direction to going in the reverse direction.
- EX- outlets
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Charges continuously shift from going in one direction to going in the reverse direction.EX- outlets
Alternating Current (AC)
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Direct Current (DC)
- Charges always flow in the same direction.
- EX- Camera Battery
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Charges always flow in the same direction.EX- Camera Battery
Direct Current (DC)
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Voltage
The flow of electricity in current electricity has electrical pressure. The potential difference between two points. They go from high to low.
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The flow of electricity in current electricity has electrical pressure. The potential difference between two points. They go from high to low.
Voltage
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Voltage is measured in?
Volts (V)
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Resistance (R)
The opposition to the flow of an electric current, causing the electrical energy to be converted to thermal energy or light.
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The opposition to the flow of an electric current, causing the electrical energy to be converted to thermal energy or light.
Resistance (R)
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Resistance is measured in?
Ohms (omega sign)
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What influences resistance?
Thickness, length, temperature, and material
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Thickness, length, temperature, and material all do what?
Influence resistance
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