For a range of voltages, {TAIL ~ the ratio} of the current to voltage is {HEAD ~ a constant}, which for a typical thermistor may be about one ohm 
For a range of voltages , { TAIL ~ the ratio } of the current to voltage is { HEAD ~ a constant } , which for a typical thermistor may be about one ohm
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH