Why do the “330 Run” line and the “560 Run” line cross on the V = 0 axis? How we
ID: 3278371 • Letter: W
Question
Why do the “330 Run” line and the “560 Run” line cross on the V = 0 axis?
How well do the resistors obey Ohm’s Law? Explain fully how you know?
What is the physical meaning of the slope of the Linear Fit to the data on the Ohm’s Law graph? Hint: what are the units of the slope?
What is the bulb doing during the kink in the curve?
What evidence is there that the light bulb does not obey Ohm’s Law?
Why doesn’t the light bulb obey Ohm’s Law?
Why are there two curves? That is, why are there two values of current for each voltage near the kink? And why is there a kink?
Is there any region where the light bulb obeys Ohm’s Law? Why?
Does the diode obey Ohm’s Law? How do you know?
Does the diode conduct in both directions? Explain fully?
When does the diode conduct?
Data: 1.0 0.5 0.0 -0.5 1.0 0.5 0.40.30.20.0.00.0.2 Output Curment (A)Explanation / Answer
a) The measurement of voltage will be having some instrumental error which will be represented by the width of the point. This is the reason the data curve has some width.
b) according to Ohm's law, we know that V = iR and when i = 0 then V = 0 independent of its resistance value. So they intersect at V = 0.
c) from the given graph, both the resistors are obeying Ohm's law from i = -0.1 A to +0.1 A as the voltage is directly proportional to i.
d)
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