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Topic Title: Colu HNC Engineering
Topic Summary: ENS-TMA-3 Q.3
Created On: 09 March 2010 03:18 PM
Status: Read Only
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 09 March 2010 03:18 PM
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pipesupporter

Posts: 3
Joined: 20 January 2010

Hi All

Thought I had all the Kirchhoff's Laws understood.

Know how to apply them (I thought) but can't apply them to the diagram in the TMA. Been in touch with the tutors and their clue was to construct three equations for the three loops that make up the circuit using three currents. I just don't see the three circuits required . Any help gladly welcome.

Many thanks in advance
 09 March 2010 03:54 PM
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westonpa

Posts: 1771
Joined: 10 October 2007

Remember that loops can go through the branches but also you can have a loop which goes completely around the outside of the circuit.

Regards.
 09 March 2010 04:36 PM
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BrookesP

Posts: 52
Joined: 01 October 2008

Try the following books for some further info on Kirchhoff's.

http://www.scribd.com/doc/1483...hnology-Third-Edition

http://www.scribd.com/doc/7695...Theory-and-Technology

Hope they help.

-------------------------
"Excellence is the ability to do ordinary things, extraordinarily well."
John W. Gardner

"The capacity to learn is a gift;
The ability to learn is a skill;
The WILLINGNESS to learn is a choice."

"Education is our passport to the future, for tomorrow belongs to those who prepare for it today." Malcolm X
 15 March 2010 11:35 AM
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pipesupporter

Posts: 3
Joined: 20 January 2010

Many thanks BrookesP.
A very useful book , with some clear worked examples. I'm finding the distance learning course is ideal for my circumstances , ie in full time employment but it does lack the interaction of students and tutors that you get in a college. But with these forums and the tutors , I'm getting there. I was expecting more mechanical based lessons on a mechanical HNC but its all good experience. I'm sure I'll be back on this forum for the next set of topics , AC Circuits.
 04 May 2010 06:53 PM
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typhoonely

Posts: 4
Joined: 11 February 2010

Hello, I have got problems with the same question, I think i see the three loops but is it as simple as then just working out the resistance in the loops which are all in series? then doing v/r to get the currents or am i way off the mark? I have done the self assesment questions with relative ease but just cant seem to get my head round it! Any pointers or info would be greatfully received

Regards
Martin

martinely06@hotmail.co.uk
 06 May 2010 09:32 AM
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westonpa

Posts: 1771
Joined: 10 October 2007

If you want to check your answers then use some 'higher' level thinking and download yourself a free circuit simulator and build the circuit and test it and measure the relevant voltages and currents. It's quite simple and it teaches another skill.

Regards.
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