What do the flows and obstacles in rows 1 of the three tables suggest has happened to the ‘pressure difference’ across the rheostat? Explain why the data suggests this. What happens to the product for the rheostat (also on the first rows)? 2. What do the flows and obstacles on row 1 of table 1, row 2 of table 2 and row 3 of table 3 suggest has happened to the ‘pressure difference’ across the rheostat? Explain why the data suggests this. What happens to the product for the rheostat? 3. Using the evidence that we have

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1. What do the flows and obstacles in rows 1 of the three tables suggest has happened to the ‘pressure difference’ across the rheostat? Explain why the data suggests this. What happens to the product for the rheostat (also on the first rows)?

2. What do the flows and obstacles on row 1 of table 1, row 2 of table 2 and row 3 of table 3 suggest has happened to the ‘pressure difference’ across the rheostat? Explain why the data suggests this. What happens to the product for the rheostat?

3. Using the evidence that we have found, can we say that ‘products’ are a measure of anything? If so, specify the quantity that ‘products’ measure. Explain.

Table 1: one D-cell
Flow
through Presented the Network
Network by
of Bulbs Network
(glow)
Flow through Obstacle
the Rheostat
Circuit
Obstacle
Product for
Product for
the
Rheostat
(glow em
Presented
by the
Rheostat
(cm)
of Bulbs
(glow)
(glow cm)
of Bulbs
(cm)
1.0
45.0
45.0
1.0
113.6
113.6
2.0
22.5
45.0
2.0
55.5
55.5
3.0
15.0
45.0
3.0
32.3
32.3
4.0
I1.3
45.0
4.0
27.4
27.4
Table 2: two D-cells in series
Circuit Flow
through Precented the
Obstacle Product for Flow
Obstacle
Product
through
Presented for the
Network by
Network of the
by the
Rhcostat Rhcostat (glow em)
Rheostat
of Bulbs Network
(glow) of Bulbe
Bulbe
(glow - em) (glow)
(em)
(em)
6.
1.
59.3
59.3
1
220.8
220.8
10
2
29.7
59.3
2
110.2
220.4
11
19.8
59.3
3
70.5
211.5
Table 3: three cells in series
Cirouit Flow
Obstacle Product for Flow
Obstacle
Product
through Presented the
Network by
through
Presented for the
Network of the
by the
Rhcostat Rhcostat
Rheostat
of Bulbs Network
Bulbe
(glow cm )
(glow) of Bulbs
(glow - em ) (glow)
(cm)
(cm)
12
59.3
59.3
1
378.4
378.4
13
2
29.7
59.3
2
181.2
362.4
14
3
19.8
59.3
3.
125.1
375.3
Transcribed Image Text:Table 1: one D-cell Flow through Presented the Network Network by of Bulbs Network (glow) Flow through Obstacle the Rheostat Circuit Obstacle Product for Product for the Rheostat (glow em Presented by the Rheostat (cm) of Bulbs (glow) (glow cm) of Bulbs (cm) 1.0 45.0 45.0 1.0 113.6 113.6 2.0 22.5 45.0 2.0 55.5 55.5 3.0 15.0 45.0 3.0 32.3 32.3 4.0 I1.3 45.0 4.0 27.4 27.4 Table 2: two D-cells in series Circuit Flow through Precented the Obstacle Product for Flow Obstacle Product through Presented for the Network by Network of the by the Rhcostat Rhcostat (glow em) Rheostat of Bulbs Network (glow) of Bulbe Bulbe (glow - em) (glow) (em) (em) 6. 1. 59.3 59.3 1 220.8 220.8 10 2 29.7 59.3 2 110.2 220.4 11 19.8 59.3 3 70.5 211.5 Table 3: three cells in series Cirouit Flow Obstacle Product for Flow Obstacle Product through Presented the Network by through Presented for the Network of the by the Rhcostat Rhcostat Rheostat of Bulbs Network Bulbe (glow cm ) (glow) of Bulbs (glow - em ) (glow) (cm) (cm) 12 59.3 59.3 1 378.4 378.4 13 2 29.7 59.3 2 181.2 362.4 14 3 19.8 59.3 3. 125.1 375.3
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