The graph shows the potential difference across a resistor as a function of the current through the resistor. The slope of the resulting curve represents
A) power.
B) resistance.
C) emf.
D) charge.
E) work per unit charge.

Question

The graph shows the potential difference across a resistor as a function of the current through the resistor. The slope of the resulting curve represents
A) power. 
B) resistance. 
C) emf. 
D) charge. 
E) work per unit charge.

Quizplus · Accepted Answer

The slope of the potential difference vs current curve represents resistance according to Ohm's Law (V = IR).

The Graph Shows the Potential Difference Across a Resistor as a Function