Graph:
I vs. R (with R on the x-axis)
V vs. R (with R on the x-axis)
Try to interpret the graphs.
Also, try these problems:
1. Consider a series circuit, with 3 resistors: 10, 20, and 40 ohms. Voltage is 100 V. Find:
a. total resistance
b. total current
c. current through each resistor
d. voltage "over" each resistor
2. Now try the above problem with the 3 resistors in parallel.
3*. If you have 2 identical resistors in parallel, what do you suppose might always be true (about the total resistance of them, and the current through each)? Could this be generalized to any number of identical resistors in parallel?
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