## Mr Amp: Current Analogy for Electric Circuits

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 timing 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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- Jan 5, 2013
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- Jun 17, 2014
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## Popular resources by this author

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: energy supplied to electrons is like biscuits on plates. Helps show why voltmeter is connected in parallel, clarity meaning of voltage dropped and explain observations in parallel vs series circuits. Also contains differentiated investigation activities with explanations, and ammeter/voltmeter wiring quiz.\n\nSee also: Mr Amp (ammeters and current)

#### Mr Amp: Current Analogy for Electric Circuits

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 timing 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.\n\nSee also: Mrs Volt (chocolate biscuits and voltage)!

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1) Measuring heat<br />
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As an extension you could expand on the final question and even perform the practical described<br />
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Test/homework bank of questions<br />
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