Electrical Princepals Flashcards
How are electric charges created?
They are created when 2 materials are rubbed, touched or moved closer together than separated.
What’s the more correct term for static electricity?
Unbalanced charges.
Neutral (uncharged) has more excess positive, excess negative or equal positive and negative charge?
Equal positive and negative charge.
Does positive charge have excess positive, excess negative or equal positive and negative charge?
Excess positive charge.
Does negative charge have excess positive, excess negative or equal positive and negative charge?
Excess negative charge.
What are the law of charges? (3)
- Opposites attract.
- Like charges repel.
- Charged objects attract uncharged.
What are conductors?
Energy can pass through easily.
An example of a conductor is:
Metals, Water, Tin
What is a insulator?
Energy cannot pass through easily.
An example of a insulator is:
Rubber, Glass, Fabric Wood
What is a fair conductor?
Materials that are good insulators but not perfect.
An example of a fair conduct
Silicon, the human body, carbon, humid air
What is grounding?
Connecting an object to earth with conducting wire to safely rebalance the charge.
What do all electric circuits provide?
All electric circuits provide a continuous pathway for charges to move.
Name the parts in a electric circuit.
Source Load Conductor Switch/control Wire
