1st PUC physics Series-6 December 3, 2020December 23, 2020wefru PUC Science 1st Year Physics Series-6 quiz 0 Created on December 02, 2020 By wefru 1st PUC Physics Series 6 TEST YOUR KNOWLEDGE OF SCIENCE 1 / 10 Q.51 The base of a transistor is …………. doped Moderately Lightly Heavily None of the above 2 / 10 Q.52 How many depletion layers are there in a transistor Four One Two Three 3 / 10 Q.53 A transistor has Two p-n junctions One p-n junction Three p-n junctions Four p-n junctions 4 / 10 Q.54 The current carries in a PNP transistor is Free electrons Acceptor ions Donor ions Holes 5 / 10 Q.55 The base-emitter junctions of a transistor is a wide depletion layer Low resistance a reverse bias None 6 / 10 Q.56 In a transistor the input impedance is Low Very high Almost zero High 7 / 10 Q.57 The majority of the carriers from the emitter Pass through the base of the collector Recombine in the base None of the above 8 / 10 Q.58 The value of α of a transistor is More than 1 Less than 1 1 0 9 / 10 Q.59 The output impedance of a transistor is High 0 Low Medium 10 / 10 Q.60 As the temperature of a transistor goes up, the base-emitter resistance Decreases Increases Constant null Your score isThe average score is 0% LinkedIn Facebook Twitter VKontakte 0% Restart quiz