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: The [[pitch]] and [[Volume (Sound)|volume]] of a [[buzzer]] depends on the [[Electrical Current|current]] through the [[buzzer]].
: The '''buzzer''' will get louder and higher [[pitch]] when the [[Electrical Current|electrical current]] increases.
===References===
====AQA====
:[https://www.amazon.co.uk/gp/product/0008158770/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0008158770&linkCode=as2&tag=nrjc-21&linkId=ec31595e720e1529e49876c3866fff6e ''Buzzer, page 56, GCSE Physics; Student Book, Collins, AQA '']