(A) for voltmeter $\mathrm{R} \approx 50 \mathrm{k} \Omega$
(B) for ammeter $\mathrm{r} \approx 0.2 \Omega$
(C) for ammeter $\mathrm{r} \approx 6 \Omega$
(D) for voltmeter $\mathrm{R} \approx 5 \mathrm{k} \Omega$
(E) for voltmeter R $\approx 500 \Omega$
Choose the correct answer from the options given below: