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Effect of temperature on conductivity and resistanceFeatured science projectScience project video

Observation

It is observed that as the temperature of the wire increases, the resistance of the wire also increases but the current flowing in the wire reduces.


Wire temperature °C

Voltage (Volt)

Current (Ampere)

Resistance (ohm)

25

4.5

9.82

0.458

35

4.5

9.43

0.477

45

4.5

9.12

0.493

55

4.5

8.80

0.511

65

4.5

8.50

0.529


The graph below represents the results of our science project experiment.

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Complexity level:
7
Project cost ($):
20
Time required:
1 hour to prepare, 1 hour for observation
Material availability:
May be obtained from hobby stores, hardware supply shops, home depot etc.
Safety concerns:

Be careful when handling electric cables and knives. Adult supervision recommended.