physics 2 - exam 2!

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4 Terms

1

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how to determine DIRECTION of current??

To determine the current direction through R1 in the provided figure, apply Kirchhoff's voltage law (KVL) by assuming an initial direction (e.g., counter-clockwise or to the left) and then assigning a positive or negative value to the voltage source and resistor based on that assumption. If the calculated current is positive, the assumed direction is correct

2

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units of capacitance =

F! Farads

3

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what does ln do?

cancels out the e, bringing down the exponent

4

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difference of I (current) between resistors in a series?

all resistors have SAME current!!!