Hi I am having trouble figuring this out, can a tutor please explain this in DET

Question

Hi I am having trouble figuring this out, can a tutor please explain this in DETAIL for me. I know its a simple problem, I just cannot seem to grasp it. What am I missing? I cannot get how to solve for the I's, I get the formula but I guess my algebra is weak?

Thank you

This question has several parts that must be completed sequentially. If you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. Tutorial Exercise Find the potential difference across each resistor in the figure below. (R1 = 5.15 ohm , R2 = 4.30 ohm, R3 = 2.70 ohm, R4 = 2.10 ohm) Assume that the currents I*, I2, and J3 are in the directions indicated by the arrows in the figure redrawn below. Applying Kirchhoff's junction rule at a gives h = h + h- [1] Using Kirchhoff's loop rule starting at point a and going clockwise around the leftmost loop yields 3.00 V - R2h - Rih + 12.0 V = 0. Solving for Ii gives 2.70 h - Your response differs from the correct answer by more than 10%. Double check your calculations or h = Your response differs from the correct answer by more than 10%. Double check your calculations.

Explanation / Answer

you have calculated Current, and potential difference is V = I*R

individually, we know the values of I1, I2, I3 ,apply the abovve formula and calculate it

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