Related InterviewSolutions

• What is the value of voltage gain in the CE short circuit current frequency response model?(a) hfe × RL / hre(b) –hfe × RL / hre(c) hfe × RL / hie(d) –hfe × RL / hieThe question was posed to me in an interview.Asked question is from The CE Short Circuit Current Frequency Response in portion High Frequency Transistor of Electronic Devices & Circuits
• How do we calculate the inverse hybrid-pi conductance in low frequency H-parameters g12 of a two-port network?(a) g12 = I2 / I1(b) g12 = I1 / I2(c) g12 = V1 / V2(d) g12 = V2 / V1This question was addressed to me in my homework.My doubt stems from Hybrid PI Conductances in Low Frequency H Parameters in division High Frequency Transistor of Electronic Devices & Circuits
• What is the path of the output characteristic of a CB short circuit current frequency response in the active region?(a) Linear(b) Exponential decrease(c) Exponential increase(d) ConstantI got this question in an online interview.Query is from The CB Short Circuit Current Frequency Response in portion High Frequency Transistor of Electronic Devices & Circuits
• Which of the following four hybrid parameters is used to calculate reverse voltage gain in a high frequency T model?(a) h11(b) h12(c) h21(d) h22I had been asked this question in examination.This interesting question is from The High Frequency T Model in portion High Frequency Transistor of Electronic Devices & Circuits
• Which of the following is an independent variable in a linear analysis of a common base transistor?(a) Base current(b) Collector base voltage(c) Collector current(d) Collector emitter voltageThe question was posed to me in an international level competition.My question comes from Transistor Amplifier Response, Taking Source Resistance into Account topic in chapter High Frequency Transistor of Electronic Devices & Circuits
• How do we calculate the value of IC in the CE short circuit current frequency response model?(a) IC = hre × IB(b) IC = -hre × IB(c) IC = hfe × IB(d) IC = -hfe × IBI have been asked this question during an internship interview.My query is from The CE Short Circuit Current Frequency Response topic in section High Frequency Transistor of Electronic Devices & Circuits
• How many main types of alpha cutoff frequency are there in bipolar transistors?(a) 3(b) 4(c) 5(d) 6I had been asked this question in an international level competition.The origin of the question is The Alpha Cutoff Frequency topic in division High Frequency Transistor of Electronic Devices & Circuits
• Why is it essential to stabilize the operating point of a circuit?(a) Thermal runaway, power efficiency, individual variations(b) Temperature dependency of IB, individual variations, power efficiency(c) Thermal runaway, Temperature dependency of IC, individual variations(d) Temperature dependency of IC, thermal runaway, cost efficiencyThe question was asked in a job interview.Question is from The Alpha Cutoff Frequency in section High Frequency Transistor of Electronic Devices & Circuits
• Which of the following is an inference made from the linear analysis of a transistor circuit taking source resistance into account?(a) 99% of the collector current flows to the emitter(b) 99% of the emitter current flows to the collector(c) 0.99% of the collector current flows to the emitter(d) 0.99% of the emitter current flows to the collectorI had been asked this question in an internship interview.I'd like to ask this question from Transistor Amplifier Response, Taking Source Resistance into Account in chapter High Frequency Transistor of Electronic Devices & Circuits
• What is the value of current gain in the hybrid-pi CE transistor model?(a) hfe(b) -hfe(c) hre(d) –hreThis question was posed to me by my school teacher while I was bunking the class.My doubt stems from The Hybrid PI CE Transistor Model in section High Frequency Transistor of Electronic Devices & Circuits