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March 29, 2015

Homework Help: Physics repost clarification

Posted by Jim on Wednesday, September 12, 2007 at 1:13pm.

Find the current in the 10.0 ohm resistor in the drawing (V1 = 21.0 V and R1 = 27.0 ohms).

I will attempt to explain the diagram again.

The drawing shows 2 parallel lines labelled as follows:


A------------B-------------C



D------------E-------------F



A and D are connected.
C and F are connected.
B and E are connected which represents an internal resistance.

The first resister R1=27.0 ohm is between A and B.

The second resister= 5.0 ohm is between B and C.

10.0v is introduced between D and E with the positive terminal in the left and the negative terminal on the right.

V1=21.0v is introduced between E and F with the positive terminal on the left and the negative terminal on the right.

The internal resistance has a resistor located closer to B whose value= 10.0 ohm.

10.0v is introduced ot the internal resistance located closer to point E. Its positive terminal is up and the negative terminal is on the bottom.


This question deals with kirchhoff's rules.

The current is moving form the bottom to the top.

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