Model of simulation # $2$: efficiency and voltage regulation

Vrms$=7\mathrm{.}35$e$+05$'sqrit$(2)$

f$=50$Hz

Figure $2$: Voltage regulation

a$)$ Determine voltage regulation for both test: justify by screenshot

b$)$ Modify inductive load test for obtain pure resistive load, check the new voltage regulation: justify by screenshot

c$)$ Modify the circuit for obtain the current consumed by the load: justify by screenshot

d$)$ Complete the previous model of simulation #$2$ for calculate the efficiency of both circuit: justify by screenshot