Correct option is B
Quadrant 2 and quadrant 3 would be possible if a TRIAC is triggered using a negative gate voltage.
The full name of TRIAC is triode for alternating current.
It is a three terminal device. It differs from other SCR.
It can conduct in both direction, whether the gate signal is positive or negative.
It can be used as a switch for AC system.
TRIAC is used to trigger SCR.
