April 17, 2013

Galvanometer as voltmeter and ammeter

An ammeter or voltmeter is nothing but a basic galvanometer graduated to read either voltage (by connecting a suitable resistance in series) or as ammeter (by connecting a suitable resistance in parallel). A low low range voltmeter can be used to read high voltages by connecting a resistance in series as required or as ammeter by connecting a resistance in parallel and so is the case in a low range ammeter. The below download clearly explains and gives formula for selecting the suitable series or parallel resistances.

The below download is a source from www.citycollegiate.com.

Disclaimer:
The above article doesn't give you any guarantee and the sole purpose of this article is to share my learning in the way I understood. Any comments to refine this article are welcome with great pleasure. Please report any breaking link by commenting below.

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