1. Electric Current

3. Electric Current v _____ ____

4. Water Flow
Current
Water pressure
__________
Amount of water flowing
current
Pipes carrying water to the house
Live wire (black)
Drain carries water away from house
Neutral wire (white)

5. The Electric Battery A BATTERY is a source of electric energy.
A simple battery contains two different metals, called ELECTRODES, and a solution called the ________________

6. ___ ____ ______
Has a paste instead of a liquid inside

7. Electric Current
Electric current – charges that are moving from one place to another
____________ ___ _____________

8. Resistance Tries to stop or slow the electric charges in a circuit.
Resistance is measured in ______ ().

9. Resistors
Resistors are used to ________ the amount of _________ flowing in a circuit

10. Resistors Symbol on a schematic diagram
The colours on a resistor ____________ its value.

11. Alternating Current
In a ___________ CURRENT (DC) circuit the current flows in one direction only.
Ex. Batteries
In an ___________________ CURRENT (AC) circuit the direction of current flow through the circuit changes.
Ex. Electric wall outlet