Question

How will changing the voltage change the current?
How will changing the resistance change the current?

Answer 1

V = IR
V is voltage, I is current, R is resistance.
Solve for I, and then ask yourself what happens to I if V goes up? What if V goes down? What if R goes up? What if R goes down?

Answer 2

hint:
there is a linear relationship, between voltage an current, namely the Ohm's law:
\[\Large \Delta V = R \times I\]
which means that voltage \Delata V varies directly with current I

Answer 3

oops..\Delta*