Download Electricity and Circuits Notes

Electricity and Circuits Notes
Electric Charges
What are the three
subatomic particles and
what are their charges?
The Flow of Charges
How Charges Interact
Which subatomic particle can
move from one object to
another?
When two objects with the
SAME charge come into
contact, they
____________________.
What does the addition of
electrons do to the charge of an
object?
When two objects with
DIFFERENT charges come into
contact, they
_________________.
What does the removal of
electrons do to the charge of an
object?
Electric Current
• What is an electric current?
• What is the unit of measurement for current?
Potential Difference
• What is potential difference?
• What causes potential difference?
• Electric charges will always flow from a
region of ___________ potential energy
to a region of ___________ potential
energy.
A Basic Circuit
Voltage
• What is it?
• What unit is used to measure voltage?
Basic Circuits
•
A circuit is
________________________________________________________________.
Parts of a Circuit
Energy Source –
Load –
Conductor –
Resistor –
Switch –
Circuit Switches
Open Switch
Closed Switch
• When an electric current reaches an open switch, the current __________________.
–
This creates an __________________ circuit.
• When an electric current reaches a closed switch, the current _________________.
–
This creates a __________ circuit.
• Why would you want a switch in a circuit?
Types of Circuits
•
Two types of circuits:
– ____________________ Circuit
• Provides _____________________________ path for the flow of current.
– ____________________ Circuit
• Offers ______________________________ path for the flow of electricity.
Series Circuits
• How are loads set up in a series circuit?
• The current in a series circuit has to flow through _______________________ before
passing through the next.
Series Circuit
• When you disconnect one of the bulbs in your
circuit, what happens to the other bulbs?
• What happens to the brightness of bulbs as you
add more in a series circuit?
• Why?
Advantages of Series Circuits
Disadvantages of Series Circuits
Parallel Circuits
• In a parallel circuit, each load has its own ______________________________________.
Parallel Circuit
• When you disconnect one of the bulbs in
your circuit, what happens to the other
bulbs?
• What happens to the brightness of bulbs
as you add more in a parallel circuit?
• Why?
Advantages of Parallel Circuits
Disadvantages of Parallel Circuits