Which of the following regions of operation are mainly responsible for heating of the transistor under switching operation?1. Saturation region2. Cut-off region3. Transition from saturation to cut-off4. Transition from cut-off to saturation

Which of the following regions of operation are mainly responsible for

1.	Which of the following regions of operation are mainly responsible for heating of the transistor under switching operation?1. Saturation region2. Cut-off region3. Transition from saturation to cut-off4. Transition from cut-off to saturation
A.	1, 2, and 4 only
B.	1, 3, and 4 only
C.	2 and 3 only
D.	1 and 3 only
Answer» C. 2 and 3 only