Trial ?V (volts) I (mA) 1 0.95 6.3 2 1.96 14.1 3 3.09 22.0 4 3.90 28.1 where ?V

Question

Trial ?V (volts) I (mA)
1 0.95 6.3
2 1.96 14.1
3 3.09 22.0
4 3.90 28.1

where ?V is the voltage difference across the resistor and I is the current traveling through the resistor at the same time.

Use the trendline option in Excel to fit the data of voltage difference versus current to get the slope and intercept.

a) Determine the slope and y-intercept of your graph, and report these values below. (Use ohm for ?.)
slope =
y-intercept =

I can never get these excel questions...I tried graphing it both ways and none of my slopes were accepted... :(

Explanation / Answer

3 3.09 22.0

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