Question

The full scale deflection current of a galvanometer of
resistance 1 ohm is 5 mA. To measure the potential
difference of 5 V, the resistance connected to the
galvanometer is
(1) 999 ohm in series
(2) 999 ohm in parallel
(3) 1000 ohm in series
(4) 500 ohm in parallel​

Answer 1

the resistance connected to the galvanometer is

3:1000 ohm in series