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
A. straight line
B. parabola
C. circle
D. ellipse
Answer:A
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
A. straight line B. parabola C. circle D. ellipse