Question : A galvanometer can be converted into a voltmeter by connecting with it a
Option 1: high resistance in parallel
Option 2: low resistance on parallel
Option 3: high resistance in series
Option 4: low resistance in series
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Correct Answer: high resistance in series
Solution : The correct option is high resistance in series.
To transform a galvanometer into a voltmeter, a high-resistance element in series with the galvanometer, often referred to as a multiplier or shunt resistor is used. This additional resistor serves the purpose of controlling the current passing through the galvanometer when it is used for voltage measurements. This precautionary measure prevents the galvanometer from drawing excessive current, safeguarding it against potential damage, especially when measuring higher voltage levels.
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