Calculation: m4OiNi - 1

U_ef  = 
 
 U_m
/ saknis(2)
U_ef =  
 U_m
/ saknis(2)
$$U_{ef}$$ = $$\frac{U_{m}}{\sqrt {2}}$$
U_ef =  
 U_m* saknis(2)
/ 2
$$U_{ef}$$ = $$\frac{U_{m}\cdot \sqrt {2}}{2}$$
U_ef =  
 U_m* 1.41421
/ 2
$$U_{ef}$$ = $$\frac{U_{m}\cdot 1.41421}{2}$$
U_ef =  0.70711* U_m$$U_{ef}$$ = $$0.70711\cdot U_{m}$$