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This is a DC Circuit!

In the diagram above, find the potential difference across the 3-ohm resistor.

a) 1.3 V

b) 3.0 V

c) 4.0 V

d) 5.0 V

e) 6.0 V

Relevant equations:

So far, I used: I = V/R to find current from the battery.

Then there's E = IR.

(Sorry, LaTeX doesn't like me.)

The attempt at a solution:

Using the first equation, I found that the current measures three Amperes.

I also tried using the second formula where I = 3 and R = 3, but that gave me 9 Volts, which isn't an answer.

Any help would be much appreciated!

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# Potential Difference Across Resistors in Circuit

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