How to decrease or increase the range of voltmeter?
can an ammeter be used to measure voltage?
can a wattmeter used as voltmeter and ammeter?

Answer Posted / shiva

Voltmeter range is increased by voltage multiplier. Ammeter
range is increased by ammetr shunts.All the electrical
measuring instruments measure the voltage diff b\w two
points. Bascically all instruments works as a voltmeter.

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