- #1

ReidMerrill

- 68

- 2

## Homework Statement

Find the current through and power dissipated by each resistor

## Homework Equations

V=I/R

ΣI

_{in}=∑I

_{out}

## The Attempt at a Solution

Did I set up the loop laws correctly and where do I go from here?

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- Thread starter ReidMerrill
- Start date

- #1

ReidMerrill

- 68

- 2

Find the current through and power dissipated by each resistor

V=I/R

ΣI

Did I set up the loop laws correctly and where do I go from here?

- #2

gneill

Mentor

- 20,945

- 2,886

Can you label the nodes in your diagram and state your loop paths?

Hint: You only need enough loops so that each component is included in at least one of the loops. In this problem you can get away with two loop equations.

- #3

ReidMerrill

- 68

- 2

Since the 10Ω resistor is already in the first loop do I even need to include it in the second?

- #4

gneill

Mentor

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- 2,886

Every loop must complete a circuit (be a closed path) and some components will be shared by more than one loop; that's expected. You must include a term for every component in the "KVL walk" that you take around given loop in order for KVL to hold.Since the 10Ω resistor is already in the first loop do I even need to include it in the second?

- #5

ReidMerrill

- 68

- 2

I'm not sure if the current going through the 10Ω resistor is different/needs a different name

I'm also going to see if starting from the 8V battery makes more sense to me.

- #6

gneill

Mentor

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- 2,886

In your second equation above, you are "walking" clockwise around the loop, so when you traverse the 10 Ω resistor you are proceeding upwards, against the flow of ##I_3##. Will you see a potential drop or a potential rise as a result?

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