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A transistor is operated in common emitt...

A transistor is operated in common emitter configuration at `V_(c)=2 V` such that a change in the base current from `100 muA` to `200 muA` produces a change in the collector current from `5 mA` to `10 mA`. The current gain is

A

50

B

75

C

100

D

150

Text Solution

Verified by Experts

The correct Answer is:
A
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MOTION-ELECTRONICS - SEMI CONDUCTOR-EXERCISE - 2
  1. A common emitter amplifier has a voltage gain of 50, an input impedanc...

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  2. If P-N junction is reverse biased then width of depletion layer :-

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  3. Fermi level of n-type semi-conductor lies in:-

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  4. What is the energy gap in Si semiconductor?

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  5. When P is dopped with Si, the resultant semi-conductor will be :-

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  6. A p-n photodiode is made of a material with a band gap of 2.0 eV. The ...

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  7. The voltage gain of an amplifier with 9% negative feedback is 10. The ...

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  8. A p-n photodiode is fabricated from a semiconductor with a band gap of...

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  9. A transistor is operated in common emitter configuration at V(c)=2 V s...

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  10. The device that can act as a complete electronic circuit is

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  11. Which one of the following statement is false ?

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  12. If in a p-n junction diode , a square input single of 10 V is applied...

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  13. Consider the junction diode as ideal. The value of current flowing thr...

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  14. A n-p-n transisitor is connected in common emitter configuration in a ...

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  15. For CE transistor amplifier, the audio signal voltage across the colle...

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  16. The given circuit has two ideal diodes connected as show in the figure...

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  17. In a common emitter transistor amplifier the audio signal voltage acro...

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  18. Which one of the following represents forward bias diode?

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  19. In the circuit shown in the figure, the input voltage V(i) is 20V,V(BE...

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  20. In a p-n junction diode, change in temperature due to heating

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