A secondary school resource produced with the support of the Institution of Engineering and Technology to accompany this year's CHRISTMAS LECTURES.
In this activity students get a chance to see the historic demonstration of Alexander Graham Bell’s liquid transmitter and discuss how the setup works, reviewing their knowledge of resistance. Students then get to build a working microphone from pencil leads and consider how to improve their microphone design.
In this activity students get a chance to see the historic demonstration of Alexander Graham Bell’s liquid transmitter and discuss how the setup works, reviewing their knowledge of resistance. Students then get to build a working microphone from pencil leads and consider how to improve their microphone design.
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