Practice

Questions

Pick a topic and practice with clear explanations.

CUET

Q41. In an experiment, a student in the laboratory measures the terminal potential difference (V) of a cell (emf E and internal resistance r) as a function of current I flowing through it and plot a graph taking V on y-axis and I on x-axis. What is the slope of the graph between V and I? (a) r² (b) -r² (c) r (d) -r