If Emf of the Ideal Battery Is $V = 100 \mathrm {~V}$

Multiple Choice

If emf of the ideal battery is $V = 100 \mathrm {~V}$ , what is the potential difference across $R _ { 5 }$ for the circuit shown in the figure?

A) $77 \mathrm {~V}$
B) $40 \mathrm {~V}$
C) $75 \mathrm {~V}$
D) $19 \mathrm {~V}$