Study Physics chap 10 (Current) Flash Cards

 
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Physics chap 10 (Current)

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The SI unit of charge is the?
COULOMB
A basic physical property carried by certain subatomic particles, such as protons and electrons?
CHARGE
A device that is able to perform work due to electric energy put into the motor by a current passing through it?
MOTOR
What are examples of ferromagnetic materials?
IRON, NICKEL, COBALT
Materials that can be permanently magnetized?
FERROMAGNETIC MATERIALS
Why is the surface of the earth a good conductor?
The presence of water and disolved salts.
Any contact with the earth through a good conductor is called?
GROUND
What is the primary differnce between conductors and insulators?
The number of free charges available in them.
Materials in which current flows very poorly?
INSULATORS
Materials in which current flows very easily?
CONDUCTORS
The amount of charge flowing per unit time?
CURRENT
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