330ESE-Prelims Electrical Engineering • Volume-Which of the above(a) 1, 2 and 3(c) 2 and 3 only1.15 Assertion (A): The energy band diagram of areal semiconductor can not be represented byflat conduction and valence bands.Reason (R): The presence of energy states inthe forbidden energy gap results in carriertrapping, giving rise to finite curvature in thebands.(a) Both A and R are true and R is the correctexplanation of A(b) Both A and Rare true but Ris NOT the correctexplanation of A(c) A is true but R is false(d) A is false but R is true1.19 The concentrationextrinsic semicondu(a) directly proportic(b) directly proportio(c) inversely proconcentration.(d) inversely proconcentration

330ESE-Prelims Electrical Engineering • Volume-Which of the above(a)

1.	330ESE-Prelims Electrical Engineering • Volume-Which of the above(a) 1, 2 and 3(c) 2 and 3 only1.15 Assertion (A): The energy band diagram of areal semiconductor can not be represented byflat conduction and valence bands.Reason (R): The presence of energy states inthe forbidden energy gap results in carriertrapping, giving rise to finite curvature in thebands.(a) Both A and R are true and R is the correctexplanation of A(b) Both A and Rare true but Ris NOT the correctexplanation of A(c) A is true but R is false(d) A is false but R is true1.19 The concentrationextrinsic semicondu(a) directly proportic(b) directly proportio(c) inversely proconcentration.(d) inversely proconcentration
Answer» Assertion is rightly explained and reason is also rightso Both are right