A multi range voltmeter can be constructed by using a galvanometer measure 2V, 20V and 200V using a galvanometer of resistance 10 Ω and that produces maximum deflection for current of 1 mA . Find R1 , R2 and R3 that have to be used.

Q: A multi range voltmeter can be constructed by using a galvanometer measure 2V, 20V and 200V using a galvanometer of resistance 10 Ω and that produces maximum deflection for current of 1 mA . Find R1 , R2 and R3 that have to be used.