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Name of the Trade : Electronic Mechanic - 2nd Semester - Module 1: Transistor Amplifier, #, Question, ОРТ А, OPT B, OPT C, ОРT D, Question, OPT A, ОРТ В, ОРТ С, OPT D, Ans, Level, PRO-ELECTRON, standard, JIS standard, Home codes, JEDEC standard, 1 Which coding system for transistor, type numbering system is followed by, American standard?, C, 2 What is the electrode marked 'X' in, the TO-5 transistor pack diagram?, TO-5 zilokzz us SIUNHHİ UASZIUS, 'X' j ?, Base, Screen, Emitter, Collector, saszz, C, 1, स्डान, TO-12 zil us siaHi udida, sasalus 'x' j a?, 3 What is the electrode marked 'X' in, Collector, Emitter, Screen, Base, selsz?, A, 1, the TO-12 transistor pack diagram, shown?, High, Very high, 4|What is the current gain of common, collector amplifier?, |Low, Medium, 1, j d?, SHot sese?, 5 What is the type of amplifier, configuration?, Common collector Paraphase, amplifier, Common base, Common emitter, C, 1, NPUT, TERMINALS, OUTPUT, TERMINALS, 6 What in the current gain of a common Unity, Infinity, Greater than 1, Less than 1, 1 sdl quiR, 1 sdl ul, 1, |- base amplifier?, Silicon material used Antimony material Indium material, gilaa ls iR BC 107 Hi E QUAU, 7 What is the meaning of first letter, indicated in the transistor code, number BC 107?, Germanium, material used, 1, used, used, 8 What is the formula used to calculate lc+le, 1, the current gain (a) of common base, amplifier?, 9What is the name of multi-stage, amplifiers?, Cascoded amplifier Cascaded amplifier Complementry, Darlington pair, symmetry amplifier amplifier, В, 1, ailbz BC 147oi HleR dSx alèx 4V, VEB (max) HIè ei a?, 10 What is the maximum emitter to base 4V, 5V, 6V, 8V, 5V, 6V, 8V, C, 1, voltage VEB (max) for the transistor BC, 147?

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Current controlled Voltage controlled blla şisals sla seaHi a a?, feedback, 11 How the negative feedback is called? Regenerative, feedback, Degenerative, feedback, राळनरटाव इाडवड, alcèy salca sisas, В, 1, feedback, ail sasz sod ua VCE (max) in volts, 12 How the maximum permissible, voltage that can be applied across the, collector - Emitter junction of a, transistor is indicated?, VCE (max) in volts VBE (max) in volts, VCB (max) in volts Vcc in volts, VBE (max) in volts, VCB (max) in volts, Vcc in volts, A, 1, SAsalAs alkzuHi zil, SlHot selsez, Common collector Common drain, amplifier, configuration, Common base, 13 Which configuration of transistor, amplifier is most commonly used in, electronic circuits?, Common emitter, В, configuration, configuration, configuration, 14 Which transistor characteristics gives Input, the curve plotted against VBE versus, IB as shown?, Output, characteristics of, germanium, transistor, Input, characteristics of, silicon transistor, output, characteristics of, silicon transistor, C, 2, sziaa sd udia d?, characteristics of, germanium, transistor, CURVES, CURVE, CURVEM, BA R VOLING Vo M, Higher thermal, stability, Complex design, Requires, complicated bias, arrangement, Silicon transistor, needs low cut-in-, voltage, 15 Why transistors made of silicon is, preferred over the germanium, semiconductor material?, PNP YSI? ziloa ua NPN YSlzol, 16 Why NPN type of transistors are, preferred over the PNP type, transistors?, NPN has lower, switching speed, NPN has good bias, stability, NPN has higher, switching speed, Low operating, voltage, Epitaxial versawatt HLEsIalot / ziusaa aɔlAA, transistors, 17 Which type of transistors are required Low power, to amplify signals from the, microphone /transducer?, 18 What type of packaging is generally, used to transistors utilized for low, power amplification?, Medium power, transistors, High power, transistors, मध्यम पावर, A, 2, transistors, 832?, Metal packaging, Plastic packaging, Ceramic packaging Plastic packaging, with metal, heatsinks, В, 2, Plastic packaging, with metal, heatsinks, Ceramic packaging Plastic packaging Metal packaging, 19 Which type of packaging is used to, transistors utilized for medium power, amplification?, A, 2, RC coupled and, transfar coupled, Transfar coupled, amplifier, Direct and Rc, coupled amplifier coupled amplifier, RC and LC, 20 Which methods of coupling used in, the transistored amplifier circuit, shown?, 2, sua dudlşıu?, sua dudlşu?, 1800, +sv, +Vec, 100P, 27K, /av, BC1498 acs, 2200, 100uF, IF amplifier, RF amplifier, Power amplifier, Voltage amplifier, 21 Which type of amplifier in used to, operate the loud speaker?, C, 2, lo

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22 What is the value of RF if the voltage, across it is 1.2 V and current flowing, through it is 10mA?, REoj 4ca j doll 4zj alcès 1.2 180 Q, ve ul aHiel yalɛ 10 mA ql zal, 180 Q, 1200, 1000, 120, 1200, 100 Q, 12 Q, В, +Vec, H Ved, AA,, RE, 23 What is the voltage gain in a transistor |45, if the input voltage in 40mv and the, output voltage in 3.6V?, Elolya alcèx 40 mv l zye, alcex 3.6V alu a al aldy, sol ej alu?, 90, 180, 270, 45, 90, 180, 270, В, High frequency, signals, Audio frequency, signals, Intermediate, 24 What is the frequency of operation of Video signals, the amplifier circuit using inductance, |and capacitance (L-C) coupling?, В, 2, frequency signals, TO HIT, TAG, ac14m, 25 What is the input impedence of, darlington pair transistors?, Very low input, impedance, Very high input, impedance, युनिटर, Medium input, Uniter, В, 2, impedance, ESulsol j d?, 26 What is the advantage of using bias in Provides positive, transistor circuits?, Easily sets, saturated, Gives maximum, distortion, Never reach, В, feed back, saturation, Class - A, Class - AB, 27 Which class of amplifier uses fixed, bias because of its imperent, advantage of transistor will never go, to saturation?, Class - B, Class - C, Class - A, Class - B, Class - AB, Class – C, A, 2, Q uldo2 le s2-, s2-ulş uldozll, s2-uts dcy uz, Q point set slightly Quiscent current at, mid point, Quiscent current, 28 How does the values of bias resistors, selected for collector current in class - below cut-off, B amplifiers?, 29 Which parameter of passive, component can be calculated using, the formula, Quiscent current, beyond the cut-off over the cut-off, point, 2, uzie s? d?, Inductive reactance Ualla sıulolozall sul ukHigld a suzll, value, Capacitive, reactance, Capacitance, Inductance, 2, ?, 1, rfc, 2 n fc, 30 Which type of amplifier is used to, operate the loud speaker?, IF Amplifier, RF Amplifier, Power Amplifier, Voltage Amplifier, C, Higher thermal, stability, Lower operating, voltage, Higher, amplification factor Rasdl şiual ei d?, Lower thermal, 31 What is the advantage of silicon over, germanium for transistor fabrication? stability, В, 2

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RC coupled, amplifier, LC coupled amplifier Direct coupled, amplifier, Transformer, 32 Which type of amplifier has the, frequency response curve as?, C, coupled amplifier, Rzulod sd alu d?, BANDWIDTH, Ay MD, 0707AV MD, 10, 1000, 10,000, fą 100,000, (bg scal), 33 How much is the voltage drop across, the load resistor R2 in the circuit?, 0.9V, 7.2V, 8.14V, 8.6V, 0.9V, 7.2V, 8.14V, 8.6V, 2, 100kO, R, DAV, 34 What is the effeciency transformer, coupled class A amplifier?, About 50%, More than 60%, Unity, 20% Al aly, 60% l ay, युनिहा, Less than 20%, В, 2, 35 What is the purpose of using positive, feed back in amplifiers?, To produce, modulation, To produce, demodulation, To produce, To produce, multiplexion, C, 2, ocillation, Hollaal Hiè, 36 What will happen when the forward, bias voltage across the PN junction is in - voltage, increased excessively?, Barrier width of, junction increases, Junction ruptured, and short circuited through the junction alcàg qu aa ? ei ua?, s2-Sol-alcès, qual s, |Increases the cut -, No current flows, C, 3, ualnis aa e, 37 Which test is conducted to check the, Quick turn-on-test, B-E forward, E-C forward, E-C reverse, B-E Şleas, E-C şleas, E-C laal 2y, C, basic operation of a transistor?, resistance test, resistance test, resistance test, Hiè sa ulagı szaHi ua d?, HPN, 38 What is the overall base emitter, |0.2 V, 0.3 V, 0.7 V, 1.4 V, 0.2 V, 0.3 V, 0.7 V, 1.4 V, D, 3, voltage required to turn the darlington, pair?, Acting on an, amplifier, ting on a closed alseni zilo aa, switch, 39 What is the status of the transistor in, Acting on, oscillator, Acting on an open, 3, the circuit?, switch, SIH seg

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To minimize the, To get less distortion To get more, ay alcex luol, 40 Why the complementary - symmetry, amplifier is preferred over the other, types of amplifier configurations?, To eleminate the, transformer, 3, gain, voltage gain, otiual Hiè, 41 What is the voltage drop across the, collector and emitter of transistor Q1?, 4.5V, 6V, 9V, Zero volt, 4.5V, 6V, 9V, OV, C, 3, 100kO, Q1, साट परक्षए द्वार, By physical testing By voltage, measurements, By circuit testing, 42 How can you confirm a transistor as, defective?, By ohm meter, В, 3, testing, uad sal ual N?, Acting as an, amplifier, Acting as an open Acting as a closed alseHi ailoa a aAlA g 9?, switch, 43 What is the status of the transistor in, Acting as an, ocillator, 3, the circuit?, switch, Va, 44 Where does the depletion region, exists in a bipolar transistor?, sAszz aAzz E-B H B-C, sasalsal aza, selszz - a3, Between emitter -, base electrodes, Between collector Between E-B and, and emitter, Between collector -, 3, base electrodes, B-C electrodes, sasaşal azd, electrodes, AS RC SUG şiar sdorll, Rzulot sdol slES lsaorlls uz, alcèr slaiss, 45 What causes the drop in gain at high Voltage divider, frequencies of an RC coupled, amplifier frequency response curve?, Decreased, Increased, Parasitic, 3, laszoi uzil, capacitance and, coupling capacitor transistor, frequency, dependence gain, bias arrangement, reactance of, reactance of, coupling capacitor, BANDWPTH, OUE TO, 070TAV MP, HJGHRRUINCY, MDFRECUBNCY, 10, fLc 100, 1000, 10,000, 2 100,000, 1MHE, Controlled, constant voltage, 46 How does the transistor behaves, above the knee voltage and below the oscillator, breakdown voltage in the, characteristics curve?, Voltage controlled, Current controlled, Controlled, C, 3, oscillator, constant current, source, source, adol s? ?, BRAKDOWN, TV COLLECTOREMITTER VOLTAGE VO ! VeeM, VoelMAX) OF THHPPTOR, 47 In which quantity affects the Q point of Decreased, a transistor amplifier?, Increased, temperature, Proper biasing, methods, Mismatching, signals, In which quantity affects the Q point of a, transistor amplifier?, В, 3, temperature