1. Electricity
SNC 1DI

2. Electricity 100 200 300 400 500 Vocabulary Circuit Diagrams Potpourri
Working with Formulas
Vocabulary Part 2
Potpourri
Series or Parallel?
100
200
300
400
500

3. Vocabulary - 100 A charge on a substance that doesn’t move. Answer:
BACK
A charge on a substance that doesn’t move.
Answer:
static electricity

4. Vocabulary - 200
BACK
Transferring charge from one object to another without direct contact.
Answer:
charging by induction

5. Vocabulary - 300
BACK
The energy each electron has as it leaves the negative terminal of a cell.
Answer:
electric potential (voltage)

6. Vocabulary - 400
BACK
Cells that can be discharged and recharged many hundreds of times
Answer:
secondary cells

7. Vocabulary - 500
BACK
An object is sharply curved so that electrons are allowed to repel one another and push off the object.
Answer:
discharge at a point

8. Circuit Diagrams - 100 Draw the schematic symbol for an open switch.
BACK
Draw the schematic symbol for an open switch.
Answer:

9. Circuit Diagrams - 200 Draw the circuit diagram for 4 cells in series.
BACK
Draw the circuit diagram for 4 cells in series.
Answer: + -

10. Circuit Diagrams - 300
BACK
Draw a circuit that has a 3 cell battery, an open switch and three light bulbs in parallel.
Answer:

11. Circuit Diagrams - 400
BACK
Draw a circuit diagram with a 3 cell battery in series, 2 light bulbs in series, a closed switch and a voltmeter checking the electric potential across the battery.
Answer:

12. Circuit Diagrams - 500
BACK
Draw a circuit diagram with a 2 cell battery in parallel, 3 light bulbs in parallel and a closed switch that controls the middle bulb only.
Answer:

13. Working with Formulas - 100
BACK
What is Ohm’s law as a formula?
Answer:
V = I x R

14. Working with Formulas - 200
BACK
How much current flows through a lamp when the voltage drop across the filament is 120V and the power of the bulb is 60W.
Answer:
0.5A

15. Working with Formulas - 300
BACK
Calculate the current flowing through a toaster that has a resistance of 45 Ω and a voltage drop of 360V.
Answer: 8A

16. Working with Formulas - 400
BACK
Calculate the length of time a battery will run for if the energy released by the battery in a drill is 75.6W∙h, the voltage drop is 12V and the current flowing through the drill is 1.5A.
Answer:
4.2 hours

17. Working with Formulas - 500
BACK
If a microwave has a percent efficiency of 72% and the energy input is 16400J, what would be the useful energy output?
Answer:
11808J

18. Vocabulary Part
BACK
When a static charge results by rubbing two objects together.
Answer:
charging by friction

19. Vocabulary Part
BACK
The measure of the rate at which electric charges move past a given point in a circuit.
Answer:
electric current

20. Vocabulary Part
BACK
The energy transferred to a load by moving electric charges.
Answer:
electrical energy

21. Vocabulary Part 2 - 400 This is also referred to as a voltaic cell.
BACK
This is also referred to as a voltaic cell.
Answer:
primary wet cell

22. Vocabulary Part
BACK
A measure of the rate at which electrical energy is used up.
Answer:
electrical power

23. Potpourri - 100 Acetate Wool
BACK
When wool and cotton are rubbed together, the charge resulting on cotton is ___________.
Answer:
negative
Acetate
Wool
Fur
Cotton
Ebonite
Rubber

24. Potpourri - 200
BACK
A negative vinyl strip quickly touches a pith ball and is taken away. When the vinyl strip is brought near again, the objects will _______.
Answer:
repel

25. Potpourri - 300
BACK
What are the three parts to the law of electric charges?
Answer:
like charges repel, unlike charges attract, charged objects attract neutral objects

26. Potpourri - 400
BACK
Use a diagram to demonstrate induced charge separation.
Answer:

27. Potpourri - 500
BACK
The two ways a lightning rod protects a building are ________________.
Answer:
1. preventing lightning from striking
2. when lightning strikes, they direct the charge down to the ground

28. Series or Parallel – 100
BACK
If one load is broken, this type of circuit will continue to work.
Answer:
parallel

29. Series or Parallel – 200
BACK
The current in this type of circuit decreases as you add more loads.
Answer:
series

30. Series or Parallel – 300
BACK
Each light bulb becomes brighter as energy is added in this circuit.
Answer:
series

31. Series or Parallel – 400
BACK
BACK
Each time a bulb is added, the brightness stays the same in this type of circuit.
Answer:
parallel

32. Series or Parallel – 500
BACK
The voltage drop across multiple loads in this circuit is the same as the voltage drop across the battery.
Answer:
parallel