In Joule’s heating law, when R and t are constant, if the H is taken along the y-axis and I along the x-axis, the graph is:
A. straight line
B. parabola
C. circle
D. ellipse
Answer:A
In Joule’s heating law, when R and t are constant, if the H is taken along the y-axis and I along the x-axis, the graph is:
A. straight line B. parabola C. circle D. ellipse