If RR , YY and BB constitutes three phase sequence if V RR = Vmsin t its corresponding field magnets are in clockwise direction, then the value of V BB is?

If RR , YY and BB constitutes three phase sequence if V RR = Vmsin t

1.	If RR, YY and BB constitutes three phase sequence if V_RR = V_msin t its corresponding field magnets are in clockwise direction, then the value of V_BB is?
A.	V<sub>m</sub>sin( t-240 )
B.	V<sub>m</sub>sin( t-120 )
C.	V<sub>m</sub>sin( t+240 )
D.	V<sub>m</sub>sin t
Answer» B. V<sub>m</sub>sin( t-120 )