I-V Characteristics

Question 1

What is the assumed I-V characteristics of ammeters and voltmeters

Answer 1

Voltmeters have infinite resistance and ammeters have 0 resistance.

Question 2

What does the graph of ohmic conductors look like and of filament lamps and thermistors and diodes.

Answer 2

Straight line through origin
Reverse tan graph through origin
Regular tan graph
0 current until 1v and then exponential graph