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December 22, 2014

December 22, 2014

Posted by **Nilan - please help** on Wednesday, May 18, 2011 at 9:06pm.

I need to find

1)the voltage of the parallel circuit

2)the resistance of the complete circuit

3)the voltage across the 10 ohm resistor

4) the voltage across the parallel circuit

5) the current through the 10 ohm resistor

6) the current through the 30 ohm resistor

7) the current through the 60 ohm resistor

Can you please help with the formulas and how to set up the problem?

Thank you

You need to analyze, not formulas.

First, find the equivalent resistance of the parallelbranch.

Then, find total resistance of the circuit.

Then, find total current (voltage/totalresistance

Now, knowing total current, voltage on the parallel branch is equivalent parallelresistance x current.

then the current in the 30 ohm is voltage on parallel branch divided by 30

I will be happy to critique your thinking.

Hello again

would you please check this:

1) 20 V

2) 30 ohms

3) 60 V

4) 180 V

5) 6 A

6) 4 A

7) 2 A

- physics -
**bobpursley**, Wednesday, May 18, 2011 at 9:45pm1wrong

2 right

3 right

4 I dont understand how this is different than 1.

5 wrong it is asking for voltage (6*10)

6 correct

7 correct

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