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TABLE A: Comparative values of voltage and current at fixed resistance
Quantities
Current ( I )
Voltage( V )
Resistance ( R )

reading
1
A
1.5 V
15 Ω

reading
2
A
3 V
15 Ω

reading
3
A
4.5 V
15 Ω

reading
4
A
6 V
15 Ω

1.What happens to current as the voltage increases?
2.How do you describe the graph? What does it indicate?
3.How do you describe the relationship between current and voltage?

TABLE B: Comparative values of current and resistance at fixed voltage

Quantities
Current ( I )
Voltage ( V )
Resistance ( R )

reading
1
0.6 A
6V
Ω

reading
2
0.3 A
6V
Ω

reading
3
0.2 A
6V
Ω

1.Describe the values of resistance in each reading.
2.What quantity seems to affect resistance?
3.Describe the graph. What relationship exist in table B.?

reading
4
0.15 A
6V
Ω

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Table of ohm's law

  • 1. TABLE A: Comparative values of voltage and current at fixed resistance Quantities Current ( I ) Voltage( V ) Resistance ( R ) reading 1 A 1.5 V 15 Ω reading 2 A 3 V 15 Ω reading 3 A 4.5 V 15 Ω reading 4 A 6 V 15 Ω 1.What happens to current as the voltage increases? 2.How do you describe the graph? What does it indicate? 3.How do you describe the relationship between current and voltage? TABLE B: Comparative values of current and resistance at fixed voltage Quantities Current ( I ) Voltage ( V ) Resistance ( R ) reading 1 0.6 A 6V Ω reading 2 0.3 A 6V Ω reading 3 0.2 A 6V Ω 1.Describe the values of resistance in each reading. 2.What quantity seems to affect resistance? 3.Describe the graph. What relationship exist in table B.? reading 4 0.15 A 6V Ω