Current Electricity & Circuits Flashcards
What is the purpose of the battery?
To convert chemical energy into electrical energy!
What are the four main components of a Circuit
Switch, conductor, load, source
What is an Electric Circuit
A complete pathway that allows electrons to flow
How do electrochemical cells work
By converting chemical energy into electrical energy
What energy transformation is in a battery
Chemical Energy - Electrical Energy
What is the function of a battery
Its function is to provide energy to the circuit.
What is a battery
A connection of two electrical chemical cells.
What is the function of a switch
The function of a switch is to turn the electrical circuit on and off.
What is the function of a load
Converts electrical energy into another form of energy EG. light, heat
What is the function of a conductor
Allows electrons to flow through the circuit
Conventional current vs electron flow
Conventional current flows from positive to negative, Electron flow flows from negative to positive
What is an ammeter
A device that measures electric current in a circuit
What is a voltmeter
A device that measures electrical potential in volts
What is an Ohmmeter
A device that measures electrical resistance
How do you calculate Volts
Volts = Amperes x Ohms
