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First Electronics Experiences (again!)
Trainee Electronics Engineer, currently studying towards my degree in Electronic Engineering at the University of Hudderfsield. Completed my HND in Electrical & Electronic Engineering from Bradford College 2017. Love to try new things and build interesting projects!


March 18, 2019 13:16

I think a certain amount of confusion has been generated with the suggestion that a resistor is analogous to a canal lock and gate. It really isn't, and doesn't fit with the subsequent (correct) version involving a tank of water and a pipe restriction. While it's fine to say that voltage is equivalent to the 'head' or pressure of water, current is related to the water flow rate (in say, gallons per minute) not the amount of water in gallons. Hence high electrical resistance is equivalent to a narrow pipe restriction and vice versa. Keeping the analogy going, the tank's capacity in gallons is equivalent to a battery capacity in amp-hours. Don't stretch it any further, battery discharge characteristics are not comparable with those of a tank of liquid!
Much better is to forget about batteries and tanks - think regulated power supply and mains water supply (constant voltage and constant pressure).

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March 22, 2017 14:04

I too am confused by Doc Holiday's comment, along with his punctuation. Peer learning is recognised by any worthwhile educational organisation as a valuable strand. Chelsea's article makes good sense to me.

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March 16, 2017 10:04

I've re-read the article three times since reading Docholidays comment. I cannot work out who is being referred to as unable to grasp the basic concepts of Ohms Law.
I can't make sense of the second comment either.
Well done Chelsea, spread the electronics word, and pats on the back for your younger sister too.

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March 16, 2017 10:03

Yes folks this is the future of E.E.'s that will be developing and engineering tomorrows technology. Unable still to grasp the basic concepts of Ohms Law!

Pretty sad............Trainee's should not be teaching anything to anybody.

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