Sketch the characteristics of ideal diode and approximate characteristics of practical diodes. Briefly explain it.
Explain the operation of voltage divider bias circuit using an npn transistor and write its voltage and current equation.
In CE amplifier has hie = 2.1 KΩ, hfe = 75 and hoe =1 μS, voltage divider resistance R1= 68 kΩ and R2= 56 kΩ, Rc=3.9 kΩ, RE= 4.7 kΩ and RL= 82 kΩ. Calculate input impedance, output impedance and voltage gain.
Explain how Zener diode maintains constant voltage across load with circuit.
Analyze and explain CB amplifier and find its input impedance, output impedance and voltage gain
Define performance parameter of JFET a.c. drain resistance, trnasconductance and amplification factor.
In n-channel JFET with VGS(off) =-6 V and IDSS = 3 mA Solve ID value for VGS =-1,-3, and -5 V.
Consider a CB amplifier utilizing a BJT biased at Ic= 1 mA with Rc = 5 kΩ, RL= 5 kΩ. Determine Rin, Avo, Av, and Ro.
Why NAND and NOR gates are called universal gate and draw truth table of NAND gate.
Using common source circuit have a R1=5.6 MΩ, R2= 1 MΩ, RD=RS = 2.7 KΩ, rd = 100 KΩ and Yfs = 3000 μS calculate input impedance, output impedance and voltage gain.
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Official Gujarat Technological University (GTU) examination paper and step-by-step solutions for Basic Electronics (BE) (Winter 2024, B.E. · Common Engineering, Sem 1). Features complete 70-mark regular & remedial examination pattern, official marking distribution across all 5 questions, and direct 1-click official PDF download.
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