A galvanometer of resistance `22.8Omega` measures 1 A. How much shut should be used , so that it can be used to measure 20 A ?

A galvanometer of resistance 22.8Omega measures 1 A. How much shunt should be used , so that it can be used to measure 20 A ?

A voltmeter has a resistance of 100 Omega and measures 10 V. How can it be used to meaure 50 V ?

A volt meter has a resistance of 100 Omega and measures 10 V . How can it be used to measure 50 V ?

A galvanometer of resistance 36Omega can measure current up to 1 A. What shunt (in Omega ) should be connected to the galvanometer so as to increase its range to 10 A?

How can galvanometer be converted to a voltmeter ? Why is the series resistance greater that the galvanometer resistance ? A moving coil galvanometer of resistance 5Omega can measure a current of 15mA. What is the series resistance required if it is to measure 1.5 V ?

A galvanometer of 25 Omega resistance can read a maximum current of 6 mA . It can be used as a voltmeter to measure a maximum of 6 V by connecting a resistance to the galvanometer. Identify the correct choice in the given answers