Question

In Joule’s heating law, when I and t are constant, if the H is taken along the y axis and I² along the x axis, the graph is ______.

Options

• straight line

• parabola

• circle

• ellipse

Answer 1

In Joule’s heating law, when I and t are constant, if the H is taken along the y axis and I² along the x axis, the graph is straight line.