Conversion of galvanometer into a voltmeter | 3 marks | Unit 3 | 12 Physics Samacheer kalvi.
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12 Physics Samacheer kalvi
Unit 3 Magnetism and magnetic effects of electric current
3 marks
conversion of galvanometer into a voltmeter
Key words
Galvanometer is converted into a voltmeter be connecting a high resistance in series with the galvanometer.
In a circuit, voltmeter must be connected in parallel in a circuit to measure true potential difference.
Ideal voltmeter has infinite resistance.
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• XII Physics Ln.3 Magnetism and magnetic ef...
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