A moving coil galvanometer, having a resistance G, produces full-scale deflection when a current flows through it. This galvanometer can be converted into (i) an ammeter of range 0 to by connecting a shunt resistance to it and (ii) into a voltmeter of range 0 to by connecting a series resistance to it. Then,
and
and
and
Conversion of galvanometer into voltameter -
Connected a large Resistance in series
- wherein
Option 1)
and
Option 2)
and
Option 3)
and
Option 4)
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