Objective Questions Short notes Objective questions (Answers are given below) The decibel gain of a cascaded amplifierequals the(a) product of individual gains(b) sum of individual gains(c) ratio of stage gains(d) product of voltage and current gains. If two stages of a cascaded amplifier havedecibel gains of 60 and 30, then overall gainis ………………… dB.(a) 90 … Read more
Objective Questions Short notes Objective questions (Answers are given below) A CB amplifier has very low input resistancebecause(a) low emitter ac resistance re´ shuntsall other resistances(b) it handles small input signals(c) emitter bulk resistance is small(d) its base is at ac ground. CE amplifier is characterised by(a) low voltage gain(b) moderate power gain(c) signal phase … Read more
Objective Questions Short notes Objective questions (Answers are given below) Visit Here for other basic electrical engineering MCQ and Notes ELECTRIC CURRENT AND OHM’S LAW- Questions, MCQ and Short notes DC NETWORK THEOREMS- Questions, MCQ and Short notes WORK, POWER AND ENERGY- Questions, MCQ and Short notes ELECTROSTATICS- Questions, MCQ and Short notes CAPACITANCE- Questions, … Read more
Objective Questions Short notes Objective questions (Answers are given below) The dc load line of a transistor circuit(a) has a negative slope(b) is a curved line(c) gives graphic relation between IC andIB(d) does not contain the Q-point. The positive swing of the output signal in atransistor circuit starts clipping first when Qpointof the circuit moves(a) … Read more