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Mr Amp: Current Analogy for Electric Circuits

Overall rating 5 out of 55 (4 ratings)

Last updated 17 June 2014, created 05 January 2013, viewed 2,619

KS3/4 children can struggle with the concepts of current and voltage, and with how to correctly connect an ammeter/voltmeter. I tried this analogy: current is like the number of children running through a corridor /sec: Mr Amp (the ammeter) stands in the corridor counting children (electrons) and ti More…ming them (this explains why the ammeter is wired in series). This can help in showing conservation of current around the circuit and explain observations in parallel vs series circuits. Also contains a slide of investigations to complement it. See also: Mrs Volt (chocolate biscuits and voltage)!

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  • for pupils

  • Powerpoint documentActivity
    MrAmp.pptx (861kb, Powerpoint document)
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Reviews (3)

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Very good - I like it

from davidsham, 05 June 2014
(report comment) 5 out of 5

Excellent resource! Explains really well how current works. Thanks for sharing.

from alessio, 22 August 2013. Member of the TES Panel.
(report comment) 5 out of 5

Excellent visual model. I will use with my Yr8 class

from bluealterego, 08 May 2013
(report comment) 5 out of 5
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zlchater"s avatarzlchater

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Physics, Science
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