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Forwarded from Quiz links for eee ece
2. Which of the following options defines the diode
Anonymous Quiz
6%
A. Is the simplest of semiconductor devices
10%
B. Has characteristics that closely match those of a simple switch
9%
C. Is a two terminal device
75%
D. All the above
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3. One ev is equal to __________ J
Anonymous Quiz
13%
A. 6.02 * 1023
64%
B. 1.6 * 10-19
16%
C. 6.25 * 1018
7%
D. 1.66 * 10-24
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4. Which of the following elements are most frequently used for doping pure Ge or Si ?
Anonymous Quiz
16%
A. Boron
16%
B. Gallium
6%
C. Indium
62%
D. all the above
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5. In which of the following state does the silicon diode has the voltage drop of 0.7V ?
Anonymous Quiz
8%
No bias
66%
B. Forward Bias
15%
C. Reverse Bias
11%
D. Zener region
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6. Find the static resistance of the diode having ID = 30 mA & VD = 0.75 V
Anonymous Quiz
29%
25
17%
40
25%
0.04
29%
0.025
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7. An open circuit can have any voltage across its terminals, but the current is always _____
Anonymous Quiz
12%
5A
75%
0A
8%
2A
5%
1A
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8. A short circuit has a _________ drop across its terminals, & the current is limited only by the surrounding network
Anonymous Quiz
17%
5A
19%
1A
59%
0A
5%
2A
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9. Which of the following are the disadvantages of half wave rectifier
Anonymous Quiz
17%
A. High ripple factor (1.21)
17%
B. low ratio of rectification (0.406) & low TUF (0.287
10%
C. D.C Saturation of transformer
56%
D. all the above
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10. _________ converts AC (Alternate Current) to DC (Direct Current)
Anonymous Quiz
88%
A. Rectifier
5%
B. Clipper
4%
C. Clamper
4%
D. none of these
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Forwarded from Quiz links for eee ece
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 wave
Anonymous Quiz
68%
Modulation
20%
Demodulation
11%
De-multiplexing
1%
none of these
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