| vocabulary | units of measurenment | |
|---|---|---|
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What is a physical field that surrounds each electric charge and exerts force on all other charges in the field, either attracting or repelling them
Electric Field
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What is a an electromotive force or potential difference expressed in volts
voltage
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What is Ampere ?
the SI base unit of electrical current
|
|
What is a device having a designed resistance to the passage of an electric current
Resistor
|
what is a substance or device which does not readily conduct electricity
insulator
|
What is power ?
What is a the time-rate of doing work, measured in watts or less frequently horsepower
|
|
What is a an electric current flowing in one direction only
Direct Current
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What is defined as having only one path through which current can flow
Series Circuit
|
What is Ohm ?
the SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one
|
|
What is a a material or device that conducts or transmits heat, electricity, or sound
Conductor
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What comprises branches so that the current divides and only part of it flows through any branch.
Parallel Circuit
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What is volt ?
the SI unit of electromotive force, the difference of potential that would drive one ampere of current against one-ohm resistance
|
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What is an electric current that reverses its direction many times a second at regular intervals, typically used in power supplies.
Alternating Current
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What is the difference of electrical potential between two points
Potential Difference
|
What is power ?
What is a the time-rate of doing work, measured in watts or less frequently horsepower
|
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