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Q. How is a galvanometer converted into (a) an ammeter and (b) a voltmeter?
A galvanometer is transformed into an ammeter by connecting a low resistance in parallel with it. The low resistance associated in parallel with the galvanometer is called shunt resistance. A galvanometer is able be converted into a voltmeter by connecting a high resistance in series with it.
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.how can we prove that sn=u+a(1/2)
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