Lab: Circuit Design Answers

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106140
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✔ voltagecurrentX resistance

A
✔ voltage
B
current
C
X resistance
106141
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voltagecurrent✔ resistance

A
voltage
B
current
C
✔ resistance
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voltageresistance✔ current

A
voltage
B
resistance
C
✔ current
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Throughout the reflection, make sure you have a copy of the Student Guide and your data tables. Use the drop-down menus to complete the statements.

Answers:
In Hypothesis #1, the was intentionally manipulated as the independent variable.:current
In Hypothesis #2, the was intentionally manipulated as the independent variable.:voltage
The dependent variable measured in both cases was the .:resistance
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According to Ohm’s law, determine the calculated current for these values in Table A.

Answers:
voltage = 5 V, resistance = 20 Ω: A:0.25
voltage = 20 V, resistance = 20 Ω: A:1.0
voltage = 50 V, resistance = 20 Ω: A:2.5
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0.010.10✔ 1.010

A
0.01
B
0.10
C
✔ 1.0
D
10
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25025✔ 2.50.25

A
250
B
25
C
✔ 2.5
D
0.25
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0.02✔ 0.252.525

A
0.02
B
✔ 0.25
C
2.5
D
25
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0.010.10✔ 1.010

A
0.01
B
0.10
C
✔ 1.0
D
10
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25025✔ 2.50.25

A
250
B
25
C
✔ 2.5
D
0.25
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Examine Table B then read the statement and choose the best responses.

Answers:
As the resistance increased under 25 V, the current . Compared to calculated currents, experimental currents proved to be . Currents varied proportionally according to resistance: 10 Ω of resistance p:the same
As the resistance increased under 25 V, the current . Compared to calculated currents, experimental currents proved to be . Currents varied proportionally according to resistance: 10 Ω of resistance p:2.5
As the resistance increased under 25 V, the current . Compared to calculated currents, experimental currents proved to be . Currents varied proportionally according to resistance: 10 Ω of resistance p:0.25
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0.2510020✔ 2.5

A
0.25
B
100
C
20
D
✔ 2.5
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✔ 0.25100202.5

A
✔ 0.25
B
100
C
20
D
2.5
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lower✔ the samehigher

A
lower
B
✔ the same
C
higher
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increasesdecreasesstays the same

A
increases
B
decreases
C
stays the same
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direct proportionalityindirect proportionalityinverse proportionality

A
direct proportionality
B
indirect proportionality
C
inverse proportionality
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0.5 A1 A5 A2 A

A
0.5 A
B
1 A
C
5 A
D
2 A

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