Difference between revisions of "Speaker"
(Created page with "==Key Stage 3== ===Meaning=== right|300px|thumb|Text A speaker is an electrical device that vibrates to produce a sound. ===About S...") |
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==Key Stage 3== | ==Key Stage 3== | ||
===Meaning=== | ===Meaning=== | ||
| − | [[File:Speaker.png|right|300px|thumb| | + | [[File:Speaker.png|right|300px|thumb|A picture of a [[speaker]].]] |
A [[speaker]] is an electrical device that [[vibration|vibrates]] to produce a [[sound]]. | A [[speaker]] is an electrical device that [[vibration|vibrates]] to produce a [[sound]]. | ||
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: [[Speaker]]s use an [[electromagnet]] and a [[Permanent Magnet|permanent magnet]] to [[vibration|vibrate]] a paper cone. | : [[Speaker]]s use an [[electromagnet]] and a [[Permanent Magnet|permanent magnet]] to [[vibration|vibrate]] a paper cone. | ||
: When the [[current]] changes direction the paper cone moves. An [[Alternating Current|alternating current]] causes the cone in the [[speaker]] to vibrate]]. | : When the [[current]] changes direction the paper cone moves. An [[Alternating Current|alternating current]] causes the cone in the [[speaker]] to vibrate]]. | ||
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| + | {| class="wikitable" | ||
| + | |- | ||
| + | |[[File:SpeakerDiagram.png|center|400px]] | ||
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| + | | style="height:20px; width:200px; text-align:center;" |A [[diagram]] of a [[speaker]]. | ||
| + | |} | ||
Revision as of 16:58, 20 October 2018
Key Stage 3
Meaning
A picture of a speaker.
A speaker is an electrical device that vibrates to produce a sound.
About Speakers
- Speakers use an electromagnet and a permanent magnet to vibrate a paper cone.
- When the current changes direction the paper cone moves. An alternating current causes the cone in the speaker to vibrate]].
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| A diagram of a speaker. |