Resistance and V=IxR

What is the equation for Potential difference?

What does V-I graphs show?

What do V-I graphs have different slopes?

What happens when the temperature of a component increases in a V-I graph?

How many directions will current flow through a diode?

When does resistance increases?

Why does resistance increases with temperature?

What is the equation for resistance?

On a V-I graph, what does a curving line mean?