Section 5 A. BEFORE ADDING WIRE B. AFTER ADDING WIRE.
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Transcript of Section 5 A. BEFORE ADDING WIRE B. AFTER ADDING WIRE.
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Section 5
A. BEFORE ADDING WIRE B. AFTER ADDING WIRE
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5.3
Figure 5.3a Figure 5.3b
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5.7
R-O
B-G
This is what happens between 5.7a and 5.7b
Y
R
B
Y
Y
Y
R
B
R
B
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6.2 Testing the Voltmeter Quantitatively
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6.2 cont.
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6.4 Voltmeter
V
VSymbol:
Measures: Pressure Difference (V)
Connect: in Parallel
Turn OFF when finished.
+
-
200m
200K 200n
20M
2M
200K
20K
2K200
2m
200m
OFFLOGIC
PNP
20n
2u
20u
20K
AC750
20m10A
COMmA10A
2
20
200
DC1000
2K 2nOFFHz
200M
cx
200uA
V FDC
AC
NPN
E B
E
C E
10AMAX
200mAMAX
DC1000VAC700V
MAXLOGIC
(+)
!!!
VHz
HFE
500V MAX
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6.4 Voltmeter
V
VSymbol:
Measures: Pressure Difference (V)
Connect: in Parallel
Turn OFF when finished.
+
-
200m
200K 200n
20M
2M
200K
20K
2K200
2m
200m
OFFLOGIC
PNP
20n
2u
20u
20K
AC750
20m10A
COMmA10A
2
20
200
DC1000
2K 2nOFFHz
200M
cx
200uA
V FDC
AC
NPN
E B
E
C E
10AMAX
200mAMAX
DC1000VAC700V
MAXLOGIC
(+)
!!!
VHz
HFE
500V MAX
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6.6 Pressure difference during charging and discharching
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6.6 Pressure difference during charging and discharching
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6.7 Ammeter
ASymbol:
Measures: Flow Rate/Current (A)
Connect: in Series
Turn OFF when finished.
+
-
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6.9 Testing the ammeter in parallel circuits
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6.12 Measuring Resistance
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6.12 Measuring Resistance
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6.12 Measuring ResistanceRx
Voltage (V)
Current (A)
Resistance ()
1.28 0.14 9.14
2.64 0.27 9.78
3.77 0.38 9.92
Voltage v. Current for Rx
y = 10.378x - 0.1694
R2 = 1
0
0.5
1
1.5
2
2.5
3
3.5
4
0 0.1 0.2 0.3 0.4
Current (A)
Vo
lta
ge
(V
)
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6.12 Measuring Resistance
Voltage v. Resistance for Rx
0.00
2.00
4.00
6.00
8.00
10.00
12.00
0 1 2 3 4
Resistance ()
Vo
ltag
e (V
)
Rx
Voltage (V)
Current (A)
Resistance ()
1.28 0.14 9.14
2.64 0.27 9.78
3.77 0.38 9.92
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6.13 Resistance of a Long Bulb
Voltage (V)
Current (A)
Resistance ()
1.38 0.05 27.60
2.76 0.07 39.43
4.13 0.08 51.63
Voltage v. Current for Long Bulb
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
0 0.02 0.04 0.06 0.08 0.1
Current (A)
Vo
lta
ge
(V
)
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6.13 Resistance of a Long Bulb
Voltage (V)
Current (A)
Resistance ()
1.38 0.05 27.60
2.76 0.07 39.43
4.13 0.08 51.63
Resistance v. Voltage for Long Bulb
y = 8.7362x + 15.469
R2 = 0.9999
0.00
10.00
20.00
30.00
40.00
50.00
60.00
0 1 2 3 4 5
Voltage (V)
Res
ista
nce
(
)
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6.14 “Equivalent Resistance”
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6.15 Equivalent resistance for parallel and series combinations
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Model Building Discussion
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Model Building Discussion – cont.
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Model Building Discussion – cont.
VI
r
V rI
V = if there is no current through the battery
V < if there is driving current in a circuit
For backward flow: V rI
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6.18
P = ____
I = ____
V = ____
8
4
2
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6.18
P = ____
I = ____
V = ____
6
2
3
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6.18 Power
P = ____
I = ____
V = ____
6
2
3
P = ____
I = ____
V = ____
= x 8
4
2
= x
P = I · V
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6.19 Power Input vs. Power Output
TOTALS
Round Bulb
Long Bulb
Battery
PowerInput to
Each Bulb
PowerOutput from
BatteryIV
Circuit Components
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6.20 Circuit with more than one battery
TOTALS
Bulb
??Single Cell
2 Cell Battery
Power
Receiving
Power
GivingIV
Circuit Components
OR
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Section 7.7
The direction of a magnetic field can be seen by placing a compass near a bar magnet. The North pole of the compass points in the direction of the field, away from North and towards South. The magnetic field can also be seen by placing the magnet under a piece of paper and sprinkling small iron filings on top. The filings line up in the shape of the field, as shown at right.
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Section 7.7
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Section 7.7
The North pole of a compass points to the Earth's geographic North Pole, which means that there must be a magnetic South Pole up there.
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Section 7.7
Magnetic Field of a bar magnet.