Electronics Engineering All Subject Lecturer Videos
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9.. _________ is defined as the process by which some characteristics (i.e. amplitude, frequency, and phase) of a carrier are varied in accordance with a modulating waveAnonymous voting
- Modulation
- Demodulation
- De-multiplexing
- none of these
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🎲 Quiz 'ELEMENT OF ELECTRONICS JOIN NOW 👉 @UPPCLAEJER BY #AVENGER'
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🖊 100 questions · ⏱ 30 sec
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10. _________ converts AC (Alternate Current) to DC (Direct Current)Anonymous voting
- A. Rectifier
- B. Clipper
- C. Clamper
- D. none of these
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5. In which of the following state does the silicon diode has the voltage drop of 0.7V ?Anonymous voting
- No bias
- B. Forward Bias
- C. Reverse Bias
- D. Zener region
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6. Find the static resistance of the diode having ID = 30 mA & VD = 0.75 VAnonymous voting
- 25
- 40
- 0.04
- 0.025
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9. Which of the following are the disadvantages of half wave rectifierAnonymous voting
- A. High ripple factor (1.21)
- B. low ratio of rectification (0.406) & low TUF (0.287
- C. D.C Saturation of transformer
- D. all the above
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7. An open circuit can have any voltage across its terminals, but the current is always _____Anonymous voting
- 5A
- 0A
- 2A
- 1A
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8. A short circuit has a _________ drop across its terminals, & the current is limited only by the surrounding networkAnonymous voting
- 5A
- 1A
- 0A
- 2A
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4. Which of the following elements are most frequently used for doping pure Ge or Si ?Anonymous voting
- A. Boron
- B. Gallium
- C. Indium
- D. all the above
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2. Which of the following options defines the diodeAnonymous voting
- A. Is the simplest of semiconductor devices
- B. Has characteristics that closely match those of a simple switch
- C. Is a two terminal device
- D. All the above