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Y2_T2_LSN2.4
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Slide 1:
Tekstslide
Science
Middelbare school
havo, vwo
Leerjaar 2
In deze les zitten
26 slides
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tekstslides
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HAVE READY:
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Slide 1 - Tekstslide
Practice quiz on Kwizl:
timer
20:00
8 min max practice quiz.
7 min max peer review and feedback.
5 min max write a reflection in your notebook:
What mistakes did I make?
Why were they mistakes?
What can I do better next time?
Slide 2 - Tekstslide
TOPIC 2.4
Circuits
P. 78-87
Slide 3 - Tekstslide
§2.4 - Learning Goals:
P. 78-87
I can…:
explain the basic components necessary for building a simple circuit.
draw circuit diagrams by using the circuit symbols.
explain the advantages and disadvantages of a series circuit.
calculate the current or voltage at various points in a series circuit.
explain the advantages and disadvantages of a parallel circuit
calculate the current or voltage at various points in a parallel circuit
use an ammeter or voltmeter to properly measure the current or voltage at a certain point in a circuit.
Slide 4 - Tekstslide
§2.4 - Key Words:
P. 78-87
wire
power source
batteries
switch
lamp
bell
Volt meter
Ammeter
motor
LED
series circuit
parallel circuit
consumption
Slide 5 - Tekstslide
§2.4 - Circuits
Slide 6 - Tekstslide
§2.4 - Circuits
Slide 7 - Tekstslide
§ 2.4 - Circuits - Series
All components are in the same loop, end to end.
There is only one direction in which the current can flow.
The same current throughout the entire circuit.
The voltage is shared by all components within the circuit.
Slide 8 - Tekstslide
§2.4 Circuits - Series
Slide 9 - Tekstslide
Every am-meter will show the same value.
The voltage is shared by all components.
Slide 10 - Tekstslide
What happens to the voltage when there are more components in a series circuit?
A
every component gets the same voltage
B
one component gets all of the voltage
C
The voltage is shared by all components
D
this won't work
Slide 11 - Quizvraag
§ 2.4 - Circuits - Parallel
Multiple loops or paths for the current to flow through.
The current is divided over every pathway.
The voltage is the same for all components.
Slide 12 - Tekstslide
§2.4 Circuits - Parallel
Slide 13 - Tekstslide
The voltage is the same for all components,
the current is divided.
The current only divides equally if components are the same.
Slide 14 - Tekstslide
voltage is the same for all components
current is the same throughout circuit
Series
Parallel
Still works if one lamp is broken
If you connect batteries this way, you can add their voltages
Slide 15 - Sleepvraag
§2.4 - Circuits - Measuring
You can measure Current (A) with an am-meter.
You can measure Voltage (V) with a voltmeter.
You can measure both with a multimeter.
Slide 16 - Tekstslide
Slide 17 - Tekstslide
Am-meter
Measuring current
Current must run through the meter.
The meter is
WITHIN
the circuit
(The amount of electrons pass through the wire every second, is the amps.)
Slide 18 - Tekstslide
The voltmeter is always connected parallel.
Voltmeter has no influence on the current though the component.
Slide 19 - Tekstslide
A voltmeter
A
must be parallel with the component
B
Must be in series with the component
Slide 20 - Quizvraag
What is the value
of this voltmeter?
A
2,5 volt
B
25 volt
C
12,5 volt
D
0 volt
Slide 21 - Quizvraag
Single loop circuit
conventional
current
Current from the positive terminal to the negative terminal
series circuit
Digital ammeter
Analog Ammeter
Slide 22 - Sleepvraag
the battery has a voltage of 5 V
How much volt is there for a lamp?
A
2.5 V
B
10 V
C
5 V
D
0 V
Slide 23 - Quizvraag
There is a current of 5 amps going at point A
How much current runs through each lamp?
A
A
2.5 A
B
10 A
C
5 A
D
0 A
Slide 24 - Quizvraag
Homework for next time
:
Lablesson:
Make sure you have collected all your data and are ready to use it in this lesson.
You have completed your list of patterns with explanations.
Theory lesson:
Complete the exercise of Topic 2.4 (p.74-77)
Read Topic 2.4 (p. 78-81)
Study the glossary of Topic 2.3 on Studygo.
LABJOURNAL: prepare for the experiment: Series vs parallel circuits
Slide 25 - Tekstslide
Circuits simulation part 2
:
GET READY:
your Macbook
Go to KWIZL
close all other programs
Slide 26 - Tekstslide
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