Ayrton shunt

The Ayrton shunt or universal shunt is an arrangement of switched resistors used to increase the current range of an ammeter or galvanometer . It is an improvement invented by William E. Ayrton <ref>{{cite web|url=http://www.merriam webster.com/dictionary/ayrton%20shunt|title=Ayrton over the classical arrangement, which requires a make-before-break switch to avoid damaging current surges through the meter movement when switching ranges. If the switch ever fails to make before break, the movement can be destroyed .

单词	Ayrton shunt
释义	Ayrton shunt 英语百科 Ayrton shunt The Ayrton shunt or universal shunt is an arrangement of switched resistors used to increase the current range of an ammeter or galvanometer . It is an improvement invented by William E. Ayrton <ref>{{cite web\|url=http://www.merriam webster.com/dictionary/ayrton%20shunt\|title=Ayrton over the classical arrangement, which requires a make-before-break switch to avoid damaging current surges through the meter movement when switching ranges. If the switch ever fails to make before break, the movement can be destroyed .
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