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Lesson 10
Section 3 — Electricity in the home
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Slide 1:
Slide
Physics
Middelbare school
havo, vwo
Leerjaar 3
This lesson contains
27 slides
, with
text slides
.
Lesson duration is:
45 min
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Items in this lesson
Section 3 — Electricity in the home
Slide 1 - Slide
Section 3 — Electricity in the home
This lesson
Recap
Power calculations
Checking the homework
Slide 2 - Slide
Recap
Slide 3 - Slide
Slide 4 - Slide
Kilowatt hour
E
=
P
⋅
t
E
=
1
k
W
⋅
1
h
E
=
1
k
W
h
Slide 5 - Slide
Kilowatt hour
E
=
P
⋅
t
E
=
1
k
W
⋅
1
h
E
=
1
k
W
h
E
=
P
⋅
t
E
=
1
0
0
0
W
⋅
3
6
0
0
s
E
=
3
.
6
⋅
1
0
6
J
=
3
.
6
M
J
Slide 6 - Slide
Exercise
(In kWh)
E
=
P
⋅
t
Slide 7 - Slide
Exercise
(In kWh)
Slide 8 - Slide
Slide 9 - Slide
Slide 10 - Slide
Power calculations
Slide 11 - Slide
P
=
U
⋅
I
Slide 12 - Slide
P
=
U
⋅
I
S
J
=
C
J
⋅
S
C
Slide 13 - Slide
P
=
U
⋅
I
S
J
=
C
J
⋅
S
C
Slide 14 - Slide
Calculating the total power of a group?
P
t
o
t
=
P
1
+
P
2
+
P
3
+
.
.
.
Slide 15 - Slide
Calculating the total power of a group?
P
t
o
t
=
P
1
+
P
2
+
P
3
+
.
.
.
P
t
o
t
=
U
t
o
t
⋅
I
t
o
t
Slide 16 - Slide
Calculating the total power of a group?
P
t
o
t
=
U
t
o
t
⋅
I
t
o
t
Slide 17 - Slide
Calculating the total power of a group?
P
t
o
t
=
U
t
o
t
⋅
I
t
o
t
U
t
o
t
=
U
1
=
U
2
=
U
3
=
.
.
.
Slide 18 - Slide
Calculating the total power of a group?
P
t
o
t
=
U
t
o
t
⋅
I
t
o
t
U
t
o
t
=
U
1
=
U
2
=
U
3
=
.
.
.
I
t
o
t
=
I
1
+
I
2
+
I
3
+
.
.
.
Slide 19 - Slide
Calculating the total power of a group?
P
t
o
t
=
U
t
o
t
⋅
I
t
o
t
U
t
o
t
=
U
1
=
U
2
=
U
3
=
.
.
.
I
t
o
t
=
I
1
+
I
2
+
I
3
+
.
.
.
P
t
o
t
=
U
t
o
t
⋅
(
I
1
+
I
2
+
I
3
+
.
.
.
)
Slide 20 - Slide
Calculating the total power of a group?
P
t
o
t
=
U
t
o
t
⋅
I
t
o
t
U
t
o
t
=
U
1
=
U
2
=
U
3
=
.
.
.
I
t
o
t
=
I
1
+
I
2
+
I
3
+
.
.
.
P
t
o
t
=
U
t
o
t
⋅
(
I
1
+
I
2
+
I
3
+
.
.
.
)
Slide 21 - Slide
Checking the homework
Slide 22 - Slide
Slide 23 - Slide
Slide 24 - Slide
Slide 25 - Slide
Slide 26 - Slide
Homework
Section 4 –exercise 1, 2, 3, 4 and 5
Section 2 exercise 9
Slide 27 - Slide
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Lesson duration is: 45 minLesson duration is: 45 min
