Analog Electronics Quiz-2 This is the Analog Electronics quiz vol-2 this is the second part of a more advanced level of Analog /Basic Electronics Quiz-1. This is a Quiz game for Practice, educational purposes, or Self-evaluation MCQs. 1. The forward current gain α is given by IE/IB IE/IC IC/IE IC/IB 2. A collector characteristic Curve-graph show collector current (IC) versus collector-emitter voltage (VCC) with (VBB) base bias voltage held constant collector current (IC) versus collector-emitter voltage (VC) with (VBB) base bias voltage held constant collector current (IC) versus collector-emitter voltage (VCE) with (VBB) base bias voltage held constant emitter current (IE) versus collector-emitter voltage (VCE) with (VBB) base bias voltage held constant 3. A half-wave rectifier circuit with a capacitive filter is connected to a 200 volts, 50 Hz ac line. The output voltage across the capacitor should be approximately 300 volts 280 volts 180 volts 80 volts. 4. For a single-phase supply frequency of 50 Hz, the ripple frequency in full-wave rectifier is 25 100 200 50 5. In a C-E configuration, an emitter resistor is used for: High gains Stabilization Collector Bypass None of the above 6. Three different Q points are shown on a dc load line. The upper Q point represents the: minimum current gain intermediate current gain maximum current gain cutoff point 7. A Zener diode is used as a____ Amplifier Rectifier Voltage Regulator None of the above 8. . A Zener diode is always ______ biased. forward reverse Either reverse or forward None of the above 9. The value of β is given by the expression IC/IB IE/IB IC/IE IE/IC 10. Which of the following terminals does not belong to the MOSFET? Drain Gate Source Emitter 11. According to Ohm’s law, if voltage increases and resistance stays the same, then ________ current remains the same power decreases current increases resistance decreases 12. What is the color code for a 4.7 kΩ resistor with 5% tolerance? green-violet-red-gold yellow-blue-red-gold yellow-violet-red-gold yellow-violet-orange-gold 13. For a full-wave rectified sine wave, the form factor is 1.5 1.41 1.28 1.11 14. The forward voltage drop across a silicon diode is ______ 1.2V 2V 0.7V 3V 15. An RC coupling circuit is an example of what type of filter? Low pass filter High pass filter Bandpass filter All of the above. 16. In a transistor which is the largest of all doped regions the emitter region the collector region the gate region the base region 17. What type of filter produces a predictable phase shift characteristic in all frequencies? Band pass filters High pass filters Low pass filters All pass filters 18. A _______ is the maximum voltage that a diode or other component can withstand safely in reverse biased direction. PIV(Peak Inverse Voltage) Input voltage Stray Voltage None of the above 19. Which of these statements below shows that Power is directly Proportional to Voltage? V=IR P=IR P=VI I=V/R 20. How do we turn on a diac usually Breakover Voltage Gate current Both None of the above 21. A full wave Bridge rectifier makes use of _diodes 2 Diodes 3Diodes 1 Diode 4 Diodes 22. Calculate the resistance for red-red-black 22 Ω 22.7kilo-ohm 22Kilo-ohms 22.1Kilo-ohm 23. An SCR is a ____ device. Three junction device Unijunction device Four junction Device bipolar junction 24. C-B configuration is used to provide which type of gain? Current Voltage Power None of the above 25. In a transistor amplifier, when the collector current increases, the collector voltage______ Increases Decreases has no effect None of the above 26. PIV of a diode is usually______ Half of the DC Output Twice of the DC output voltage Hundred times the dc output voltage. None of the above 27. How many P-N junctions are there in a Zener diode? 1 2 3 4 28. A transistor has the base current equal to 20mA and collector current equal to 4.98 A, Calculate emitter current. 3A 900mA 5.9A 5A 29. Which of the following terminals does not belong to the MOSFET? Drain Gate Source Emitter 30. The collector current in a transistor is controlled by Base Current emitter-current Emitter resistance None of the above 31. With a PNP circuit, the most positive voltage is probably: Vc ground VBE Vcc 32. The filters created by using resistors(R) and capacitors(C) or inductors(L) and capacitors(C) are called_____ Active filter Passive filters Continuous filters Differential filters 33. In the internal structure of a MOSFET, a parasitic BJT exists between the source & gate terminals source & drain terminals drain & gate terminals None of the Above. 34. In a half-wave or full-wave rectifier, the Peak Inverse Voltage of the rectifier is always More than Input Voltage Less than Input Voltage Same as input Voltage None of the above 35. What is the loss the filter introduces to the signals in the passband called? passband loss Insertion loss Attenuation Degradation 36. A MOSFET is a Transistor that combines _____&_______ technology. Field-effect & MOS technology TTL & FET MOS & COM None of the above 37. What is the controlling parameter of a MOSFET Vgs Vgd Ig Vdc 38. When a diode is reversed biased, and voltage is more than its PIV , then it results in ______ Breakdown at junction No issue Unclean output None of the above Loading … Question 1 of 38