Current
What is the unit for current?
Amps (A)
What is a parallel circut?
A circuit where electrons have more than one path.
What is electrical energy?
Energy generated by the flow of electrons
Current (I) = ?
V/R
What is an example of a renewable energy source?
Wind, solar, hydro, etc..
What device is used to measure current?
Ammeter
What is a series circuit?
A circuit with only one path for electrons.
What is electrical energy measured in?
Joules (J)
Voltage (V) = ?
I x R
What is an example of a non-renewable energy source?
Coal, nuclear, fossil fuels, etc...
What is current?
The rate that electrons flow past a point in the circuit.
How does an ammeter and voltmeter have to be connected in a circuit?
Voltmeter - Parallel to source/load
Ammeter - in series
What is an electric cell?
Devices that convert chemical energy into electrical energy
Resistance (R) = ?
V/R
2 main sources of electrical energy?
Batteries, Electric generating stations
What is a direct current?
Electrons flow in 1 direction
What is resistance?
The ability of a material to oppose the flow of electric current
Primary, secondary
Efficiency : ?
Eout/Ein x 100%
What are some examples of conductors?
Copper, aluminum, silver, etc...
What is an alternating current?
electrons flowing back and fourth.
How would lights being in a parallel circuit affect their brightness?
They would remain equally bright.
What is a primary cell?
Cells that can only be used once
Slope/Resistance (R) = ?
(y2-y1)/(x2-x1)
What is this symbol?
Switch