In: Physics
Which of the following gives the resistance from a characteristic curve?
(A) The slope of the tangent line.
(B) The slope of the secant line.
(C) The reciprocal of the slope of the tangent line.
(D) The reciprocal of the slope of the secant line.
(C) is the correct option .
Since characteristic curve is a graph between current and voltage (
that is current on y-axis and voltage on x-axis ) hence tangent
line of slope gives us the value of ( 1 /
Resistance ) , and taking reciprocal of tangent line will
give us the value of Resistance