M.Joshi wrote:

Does the resistance change with temperature i.e. when cooled or heated
slightly or does it just register as a short citcuit?

No - it's open - not shorted.


It could be a thermistor or a thermal fuse.

Matthew Smith Wrote:
Rick wrote:-
If it is a fuse, why would they put one in a simple nicad battery
pack
for a cordless phone?-

One possible reason that springs to mind is to stop anything nasty
happening if the terminals on the pack are shorted.

--
M.Joshi