PH-18
Circuit components
Physics · Secondary 3 · Easy · Circuit components
A 9 V battery is connected in series with a thermistor and a small DC fan. At room temperature, the fan turns slowly. As the air around the thermistor gets hotter, what happens to the speed of the fan?
- It spins faster.
- It spins more slowly.
- It stops spinning.
- Its speed does not change.
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