For designing a voltmeter of range 50   V and an ammeter of range 10   mA using a galvanometer…

For designing a voltmeter of range $50 \mathrm{V}$ and an ammeter of range $10 \mathrm{mA}$ using a galvanometer which has a coil of resistance $54 \Omega$ showing a full scale deflection for $1 \mathrm{mA}$ as in figure.

(A) for voltmeter $R\approx 50 \mathrm{k}\Omega$

(B) for ammeter $r\approx 0.2 \Omega$

(C) for ammeter $r\approx 6 \Omega$

(D) for voltmeter $R\approx 5 \mathrm{k}\Omega$

(E) for voltmeter $R\approx 500 \Omega$

Choose the correct answer from the options given below: