Using these data, discuss this situation in your group and determine the emf of the battery, the resistance R, in the windings of the inductor, and the inductance L. (a) the emf of the battery (in V) (b) the resistance R, (in n) in the windings of the inductor (c) the inductance L (in pH)

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You know that the resistance R is 39.5 N and that the inductor has a nonzero resistance R, in its windings. Switch S, is closed at time t = 0. Your data logger shows the following voltages across the inductor as a function of time, with t = 0 being the
1
instant the switch was thrown closed.
t( us) Δν, (V)
t(µs)
AV, (V) t(us) Av, (V)
48.0
1.60
7.23
3.10
4.72
0.100
41.1
1.70
6.80
3.20
4.69
0.200
35.3
1.80
6.44
3.30
4.66
0.300
30.4
1.90
6.13
3.40
4.64
0.400
26.3
2.00
5.88
3.50
4.62
0.500
22.8
2.10
5.66
3.60
4.60
0.600
19.9
2.20
5.48
3.70
4.59
0.700
17.4
2.30
5.33
3.80
4.58
0.800
15.4
2.40
5.20
3.90
4.57
0.900
13.7
2.50
5.09
4.00
4.56
1.00
12.2
2.60
5.00
4.10
4.55
1.10
11.0
2.70
4.92
4.20
4.55
1.20
9.95
2.80
4.86
4.30
4.54
1.30
9.09
2.90
4.80
4.40
4.54
1.40
8.36
3.00
4.76
4.50
4.54
1.50
7.75
Using these data, discuss this situation in your group and determine the emf of the battery, the resistance R, in the windings of the inductor, and the inductance L.
(a) the emf of the battery (in V)
V
(b) the resistance R, (in Q) in the windings of the inductor
Ω
(c) the inductance L (in pH)
µH
Transcribed Image Text:You know that the resistance R is 39.5 N and that the inductor has a nonzero resistance R, in its windings. Switch S, is closed at time t = 0. Your data logger shows the following voltages across the inductor as a function of time, with t = 0 being the 1 instant the switch was thrown closed. t( us) Δν, (V) t(µs) AV, (V) t(us) Av, (V) 48.0 1.60 7.23 3.10 4.72 0.100 41.1 1.70 6.80 3.20 4.69 0.200 35.3 1.80 6.44 3.30 4.66 0.300 30.4 1.90 6.13 3.40 4.64 0.400 26.3 2.00 5.88 3.50 4.62 0.500 22.8 2.10 5.66 3.60 4.60 0.600 19.9 2.20 5.48 3.70 4.59 0.700 17.4 2.30 5.33 3.80 4.58 0.800 15.4 2.40 5.20 3.90 4.57 0.900 13.7 2.50 5.09 4.00 4.56 1.00 12.2 2.60 5.00 4.10 4.55 1.10 11.0 2.70 4.92 4.20 4.55 1.20 9.95 2.80 4.86 4.30 4.54 1.30 9.09 2.90 4.80 4.40 4.54 1.40 8.36 3.00 4.76 4.50 4.54 1.50 7.75 Using these data, discuss this situation in your group and determine the emf of the battery, the resistance R, in the windings of the inductor, and the inductance L. (a) the emf of the battery (in V) V (b) the resistance R, (in Q) in the windings of the inductor Ω (c) the inductance L (in pH) µH
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