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Electronics Engineering Objective Questions { Diode Circuits  }



246. Find the correct match between Group 1 and Group 2--Group 1-Group 2 E. Varactor diode-1. Voltage reference,F. PIN diode-2. High-frequency switch,G. Zener diode-3. Tuned circuits,H. Schottky diode-4. Current controlled attenuator
A. E - 4, F - 2, G - 1, H ? 3
B. E - 2, F - 4, G - 1, H ? 3
C. E -3, F -4, G - I, H -2
D. E - 1, F -3, G -2, H -4
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247. The correct full wave rectifier circuit is
A. the edge ofthe depletion region on the p-side
B. the edge of the depletion region on the n-side
C. the p+ n junction
D. the centre of the depletion region on the n-side
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248. For the Zener diode shown in the figure 2.16, the Zener voltage at knee is 7 V, the knee current is negligible and the Zener dynamic resistance is 10 12. If the input voltage (V1) range is from 10 to 16 V, the output voltage (V0) range from
A. 7.00 to 7.29 V
B. 7.14 to 7.29 V
C. 7.14 to 7.43 V
D. 7.29 to 7A3 V
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