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Electricity & Magnetism
E25: Resistance vs. Temperature
Purpose: To demonstrate resistance as a function of temperature.
Description:
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Lecture Demonstrations | |
Electricity & Magnetism |
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E25: Resistance vs. Temperature |
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| Description: |
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Hook up a circuit as in Fig. A and dip the thermistor in liquid nitrogen. For the circuit shown in Fig. B, dip the coil in liquid nitrogen. Note the variation of the current in each case. |
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| Equipment List: |
Storage Location: CHEMP 130A |
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Analog galvanometer | B1.1 |
| 1.5-V battery, 22-ohm resistor, coil of copper wire with resistance several hundred ohms, thermistor | B5.1 | |
| Liquid notrogen dewar | E4.3 | |
| Liquid nitrogen | HAHN |
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Manual: None |
Setup Notes: E25 | PIRA #: |
| Manufacturer(s): | Other school's Demonstration web pages |
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