Norton Resistance question

Guest
Can someone tell me (step by step) how to calculate the Norton's
resistance for this circuit? (see picture below)

http://www.progressivetel.com/~radney4/NT.jpg

Thanks!
Lee
 
radlee@progressivetel.com wrote:
Can someone tell me (step by step) how to calculate the Norton's
resistance for this circuit? (see picture below)

http://www.progressivetel.com/~radney4/NT.jpg

Thanks!
Lee
Click to expand...
Simpler example for you to extrapolate from:

http://hyperphysics.phy-astr.gsu.edu/hbase/electric/Norton.html
 
<radlee@progressivetel.com>

Can someone tell me (step by step) how to calculate the Norton's
resistance for this circuit? (see picture below)

http://www.progressivetel.com/~radney4/NT.jpg
Click to expand...

** Using Norton here is silly and time wasting.

It is simply a parallel resistor problem.

1. RL plus R3 parallel R 5 - so compute the combined value.

2. This value plus R2 parallel R4 - so compute the value.

3. Add this to R1.



....... Phil
 
In article <e417fdd8-a732-48d8-aca3-bcee7143282b@c2g2000pra.googlegroups.com>,
<radlee@progressivetel.com> wrote:
Can someone tell me (step by step) how to calculate the Norton's
resistance for this circuit? (see picture below)

http://www.progressivetel.com/~radney4/NT.jpg
Click to expand...
You can simplify this circuit a lot by applying the rules for parallel and
series resistors repeatedly.


--
Wim Lewis <wiml@hhhh.org>, Seattle, WA, USA. PGP keyID 27F772C1
"We learn from history that we do not learn from history." -Hegel
 
On 2008-11-14, radlee@progressivetel.com <radlee@progressivetel.com> wrote:

Can someone tell me (step by step) how to calculate the Norton's
resistance for this circuit? (see picture below)
Click to expand...
treat the voltage source as a short circuit (or as a fixed resistor if
it has non-zero resistance) and solve for the resitance at the part that
interests you (this would be the output terminals)
 
Phil Allison wrote:
radlee@progressivetel.com

Can someone tell me (step by step) how to calculate the Norton's
resistance for this circuit? (see picture below)

http://www.progressivetel.com/~radney4/NT.jpg


** Using Norton here is silly and time wasting.

It is simply a parallel resistor problem.

1. RL plus R3 parallel R 5 - so compute the combined value.

2. This value plus R2 parallel R4 - so compute the value.

3. Add this to R1.
Click to expand...
It's not clear from the OP's problem statement that RL should
be included in the Norton resistance, or just the network up
to RL leaving a Norton equivalent driving the load.
 
<radlee@progressivetel.com> wrote in message
news:e417fdd8-a732-48d8-aca3-bcee7143282b@c2g2000pra.googlegroups.com...
Can someone tell me (step by step) how to calculate the Norton's
resistance for this circuit? (see picture below)

http://www.progressivetel.com/~radney4/NT.jpg

Thanks!
Lee
Click to expand...
You are lucky today.
Usually its not easy to get someone to do your homework for you.

Tom
 
whit3rd wrote:
On Nov 15, 5:32 am, "Greg Neill" <gneil...@MOVEsympatico.ca> wrote:
rad...@progressivetel.com

Can someone tell me (step by step) how to calculate the Norton's
resistance

It's not clear from the OP's problem statement that RL should
be included in the Norton resistance, or just the network up
to RL leaving a Norton equivalent driving the load.

Exactly so. Norton's theorem applies to a two-terminal device
consisting of voltage sources and resistors. Tell us _which_ two
terminals of the seven, or there isn't any soluble problem presented.
Click to expand...
Current source, actually. A Thevenin equivalent would include a
voltage source.
 
On Nov 15, 5:32 am, "Greg Neill" <gneil...@MOVEsympatico.ca> wrote:
rad...@progressivetel.com

Can someone tell me (step by step) how to calculate the Norton's
resistance

It's not clear from the OP's problem statement that RL should
be included in the Norton resistance, or just the network up
to RL leaving a Norton equivalent driving the load.
Click to expand...
Exactly so. Norton's theorem applies to a two-terminal device
consisting of voltage sources and resistors. Tell us _which_ two
terminals of the seven, or there isn't any soluble problem presented.
 
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