How does a thermistor's electrical resistance change as pressure increases?

A thermistor is a type of temperature sensor made from semiconductor materials, and its electrical resistance is highly sensitive to changes in temperature. The key aspect of thermistors is that their resistance decreases with increasing temperature; this characteristic is known as a negative temperature coefficient (NTC).

When pressure is applied, if it results in an increase in temperature—such as through compression of a gas or the effects of external forces causing increased kinetic energy—the thermistor’s temperature rises, leading to a decrease in its resistance. This behavior links the thermistor's resistance to environmental changes, including pressure if such changes influence temperature.

In contexts where pressure directly correlates with temperature increase, the resistance of a thermistor will decrease as pressure rises, making the option describing this relationship accurate.