Basic Science : Transistor Characteristics QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
16.The relation between current gain in common base mode α and that in common emitter mode β in a transistor is |
17.The reciprocal of the output admittance is |
| input impedance of the transistor |
| output impedance of the transistor |
| current gain |
| voltage amplification factor |
18.The input impedance of a NPN transistor in common emitter mode is given by |
19.The slope of the output characteristic curve of a common emitter NPN transistor gives |
| input impedance |
| output admittance |
| output impedance |
| current amplification factor |
20.The base-emitter voltage of 250 mV is applied to a transistor in common emitter configuration. If the base current is 150 µA, then input impedance is |
| 1.66 kΩ |
| 2 kΩ |
| 3 kΩ |
| 4 kΩ |
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