Vocabulary
The flow of electrons can also be called
Current
This is the unit of voltage (V)
Volts
What are some ways we transform energy into electricity?
Fossil Fuels, Dams, Wind, Solar, Nuclear
A toaster uses a current of 2A, and has a resistance of 6 ohms. What is the voltage?
12 V
What causes electrons to flow?
Voltage (Electric Potential Difference)
This is the unit of current (I)
Amperes (Amps)
In a circuit with a light bulb, adding a second battery will cause
the voltage to increase (and the light to get brighter!)
A Pencil sharpener draws 3A of current and is connected to an outlet that provides 12V. What is the resistance?
The slowing or prevention of electrons flowing
Resistance
This is the unit of resistance (R)
Ohms
This device converts chemical potential energy to electrical potential energy
Battery
What is the equation(s) for Power
P = IV
P = I^2xR
Energy used per second is also called
Power (or Watts)
This is the unit of electric potential energy
Joules
In a circuit, increasing the voltage will cause the current to
increase!
What is the Ohm's Law equation?
V = IR
I = V/R
R = V/I
An electrical loop used to power a device can be called
Electric Circuit
This is the unit for Power (P)
Watts
In a circuit, increasing the total resistance will cause the current to
decrease!
A Nintendo Switch has 2 amps of current from 5 volts. Watt's the power?
10 W