1. Calculate and record Lx , the average value of Lx. Table 6.2 Trail Lx(cm) 1 49.4 2 49.3 3 49.5 Lx

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please sir solve B 1, and B 2

20
Vx (V)
Lx (cm)
21
22
0.4
10
23
1
30
24
1.5
50
25
1.8
60
26
2.1
70
27
2.7
90
28
2. Using Table 6.1 plot a graph between values of Vx versus Lx.
29
State your conclusion. (Plot Vx as a dependent variable).
30
add the slope on your graph using add trendline option.
31
32
33
3. If the wire is uniform derive a simple relation between the
34
voltmeter reading Vx at any point on the wire and the
35
crosseponding distance Lx.
36
37
38
39
40
41
42
B. Measurement of an unknown EMF
43
44
1. Calculate and record Lx , the average value of Lx.
45
46
Table 6.2
47
Trail
Lx(cm)
48
49
1
49.4
50
49.3
51
3
49.5
Lx
52
53
2. Use your graph of part A to find the value of Ex
corresponding to Lx
55
56
57
58
59
3. What the current flowing through Ex when the pointer
60
touches the potentiometer wire at the balance point.
61
62
63
64
4. What happens to the balance point when a small resistor is
connected in series between EX and the gavanometer?
65
66
Explain the result
you
observe.
67
68
Transcribed Image Text:20 Vx (V) Lx (cm) 21 22 0.4 10 23 1 30 24 1.5 50 25 1.8 60 26 2.1 70 27 2.7 90 28 2. Using Table 6.1 plot a graph between values of Vx versus Lx. 29 State your conclusion. (Plot Vx as a dependent variable). 30 add the slope on your graph using add trendline option. 31 32 33 3. If the wire is uniform derive a simple relation between the 34 voltmeter reading Vx at any point on the wire and the 35 crosseponding distance Lx. 36 37 38 39 40 41 42 B. Measurement of an unknown EMF 43 44 1. Calculate and record Lx , the average value of Lx. 45 46 Table 6.2 47 Trail Lx(cm) 48 49 1 49.4 50 49.3 51 3 49.5 Lx 52 53 2. Use your graph of part A to find the value of Ex corresponding to Lx 55 56 57 58 59 3. What the current flowing through Ex when the pointer 60 touches the potentiometer wire at the balance point. 61 62 63 64 4. What happens to the balance point when a small resistor is connected in series between EX and the gavanometer? 65 66 Explain the result you observe. 67 68
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