/ U2 U1 Ui Ui U2 Explanations. In questions 11-20 you mest identify the device f
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/ U2 U1 Ui Ui U2 Explanations. In questions 11-20 you mest identify the device from its I-V characteristic. Index 1 corresponds to input and index 2to output of the device. Arrow at characteristic shows the direction in which the quantity which is hld constant increases when characteristic is measured. If the device which must be identified is bipolar junction transistor then the circuit configuration and type of characteristic also must be given. If the device which must be identified is FET you must identify also the type of channel, type of FET, circuit configuration and type of characteristic.Explanation / Answer
11. Zener diode (because breakdown happen)
12. Varactor diode ( capaitance decrease when increse reverse voltage)
13. P-Channel depletion type mosfet (transfer chacteristics) (at 0 gate voltage current is max and then decreases)
14. P-N junction diode (withut breakdown)
15. P-Channel enhancement type mosfet (drain chacteristics)
16. N-Channel depletion type mosfet (transfer chacteristics) (at 0 gate voltage current is max and then increases)
17. Common base NPN transistor (input characteristics)
18. Common base NPN transistor (output characteristics) ( when IB increses Ic increses)
19. TRIAC (consst 2 scr parellel but oposite in direction)
20. N channel deletion type MOSFET (drain chacteristics) ( operate both negative and positive gate voltage)
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