Electric Circuits Flashcards

1
Q

Potential difference

A

The work done per unit positive charge

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2
Q

Current

A

Rate of flow of charge

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3
Q

Ohms Law

A

Current through a conductor is directly proportional to the potential difference over a conductor at a constant temperature

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4
Q

Resistance

A

A material’s opposition is the flow of electrical current

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5
Q

Electric power

A

The electrical power dissipated in a device is the equal to the product of the potential difference across the device and the current through the device

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6
Q

Kilowatt hour

A

It is a unit of energy and 1kwh is the amount of energy used when 1 kilowatt of energy is used for 1 hour

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7
Q

EMF

A

The total amount of energy supplied per coulomb of charge by the cell

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8
Q

Internal resistance

A

The resistance inside a real battery

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