Why does the voltage vs. current results indicate linear relationship?

Question

Why does the voltage vs. current results indicate linear relationship?

Answer 1

Ummmm....... Ohm's Law?  V=IR  

Heard of that one?

Answer 2

V= IR

and R is always constant.

u c current is the rate of flow of charges

while V is the emf, the difference in charges levels(in easy words!!)

while the resistance is how much the element can resist or obstruct the flow of charges, thus resisting the level of charges on its finishing end!!!

i dunt know if this silly explanation is helpful?

Answer 3

Because for any electrical application, as voltage goes up, the need for amperage goes down to achieve the same power output (wattage).  It's kinda like whiskey, 1/2-pint of100-proof (voltage) will affect you the same as 1-pint of 50 proof (amps).  Thus, there is a linear relationship.  Some words of caution, DO NOT connect an item designed for 120V  to a 240V  power source, or visa versa.  It's dangerous.

Answer 4

simple its "ohms law" V=IR

important thing is that at constant temperature.