Not actually a significant difference. And unless there is some other device supplying power, it will be resistance.
(Exception is a thermocouple, but that is obviously not the case here.)
That would be the usual one to come with an Arduino kit. 
Not actually a significant difference. And unless there is some other device supplying power, it will be resistance.
(Exception is a thermocouple, but that is obviously not the case here.)
That would be the usual one to come with an Arduino kit.